Rename RTC-related routines

33 files changed, 317 insertions, 298 deletions

diff --git a/arm9/asm/scrcmd.s b/arm9/asm/scrcmd.s
index 62f32eeb..9e33ba2c 100644
--- a/arm9/asm/scrcmd.s
+++ b/arm9/asm/scrcmd.s
@@ -8801,7 +8801,7 @@ FUN_0203DF84: ; 0x0203DF84
 	add r4, #0x80
 	add r5, r0, #0x0
 	ldr r0, [r4, #0x0]
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	strh r0, [r5, #0x0]
 	mov r0, #0x0
 	pop {r3-r5, pc}
@@ -10138,7 +10138,7 @@ FUN_0203EA68: ; 0x0203EA68
 	bl GetVarPointer
 	add r4, r0, #0x0
 	add r0, sp, #0x0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	ldr r0, [sp, #0xc]
 	strh r0, [r4, #0x0]
 	mov r0, #0x0
@@ -10890,7 +10890,7 @@ FUN_0203F058: ; 0x0203F058
 	add r4, #0x80
 	add r5, r0, #0x0
 	ldr r0, [r4, #0x0]
-	bl FUN_0204B2D8
+	bl Script_GetHour
 	strh r0, [r5, #0x0]
 	mov r0, #0x0
 	pop {r3-r5, pc}
@@ -11409,19 +11409,19 @@ FUN_0203F484: ; 0x0203F484
 	ldr r5, [r5, #0x0]
 	add r4, r0, #0x0
 	ldr r0, [r5, #0xc]
-	bl FUN_02023788
+	bl Sav2_SysInfo_get
 	add r7, r0, #0x0
-	bl FUN_02023818
+	bl Sav2_SysInfo_GetBirthMonth
 	add r6, r0, #0x0
 	add r0, r5, #0x0
-	bl FUN_0204B2B4
+	bl Script_GetMonth
 	cmp r6, r0
 	bne _0203F4CE
 	add r0, r7, #0x0
-	bl FUN_0202381C
+	bl Sav2_SysInfo_GetBirthDay
 	add r6, r0, #0x0
 	add r0, r5, #0x0
-	bl FUN_0204B2C0
+	bl Script_GetDay
 	cmp r6, r0
 	bne _0203F4CE
 	mov r0, #0x1
@@ -12239,7 +12239,7 @@ FUN_0203FB4C: ; 0x0203FB4C
 	add r0, #0x80
 	ldr r0, [r0, #0x0]
 	ldr r0, [r0, #0xc]
-	bl FUN_02023788
+	bl Sav2_SysInfo_get
 	mov r1, #0x1
 	bl FUN_02023828
 	mov r0, #0x0
diff --git a/arm9/asm/unk_02011744.s b/arm9/asm/unk_02011744.s
index 08ae8a71..0f9f871b 100644
--- a/arm9/asm/unk_02011744.s
+++ b/arm9/asm/unk_02011744.s
@@ -7,16 +7,23 @@
 
 	.global UNK_020ED398
 UNK_020ED398: ; 0x020ED398
-	.byte 0x08
-
-	.global UNK_020ED399
-UNK_020ED399: ; 0x020ED399
-	.byte 0x08, 0x08, 0x04, 0x04, 0x08, 0x04, 0x04, 0x04, 0x02, 0x04, 0x01, 0x02, 0x04, 0x02, 0x02, 0x02
-	.byte 0x01, 0x01, 0x04, 0x01, 0x02, 0x01, 0x01
+	.byte 0x08, 0x08
+	.byte 0x08, 0x04
+	.byte 0x04, 0x08
+	.byte 0x04, 0x04
+	.byte 0x04, 0x02
+	.byte 0x04, 0x01
+	.byte 0x02, 0x04
+	.byte 0x02, 0x02
+	.byte 0x02, 0x01
+	.byte 0x01, 0x04
+	.byte 0x01, 0x02
+	.byte 0x01, 0x01
 
 	.global UNK_020ED3B0
 UNK_020ED3B0: ; 0x020ED3B0
-	.byte 0x47, 0x01, 0x00, 0x00, 0xEF, 0x01, 0x00, 0x00
+	.word 0x00000147
+	.word 0x000001EF
 
 	.global UNK_020ED3B8
 UNK_020ED3B8: ; 0x020ED3B8
@@ -44,37 +51,49 @@ UNK_020ED438: ; 0x020ED438
 	.byte 0x04, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00
 	.byte 0x08, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00
 
-	.global UNK_020ED498
-UNK_020ED498: ; 0x020ED498
-	.byte 0x17, 0x00, 0x00, 0x00, 0x3B, 0x00, 0x00, 0x00, 0x3B, 0x00, 0x00, 0x00
-
-	.global UNK_020ED4A4
-UNK_020ED4A4: ; 0x020ED4A4
-	.byte 0x63, 0x00, 0x00, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00
-
-	.global UNK_020ED4B2
-UNK_020ED4B2: ; 0x020ED4B2
-	.byte 0x00, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x3B, 0x00, 0x5A, 0x00, 0x78, 0x00, 0x97, 0x00, 0xB5, 0x00
-	.byte 0xD4, 0x00, 0xF3, 0x00, 0x11, 0x01, 0x30, 0x01, 0x4E, 0x01
-
-	.global UNK_020ED4CC
-UNK_020ED4CC: ; 0x020ED4CC
-	.byte 0x04, 0x04, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
-	.byte 0x01, 0x02, 0x02, 0x02, 0x03, 0x03, 0x03, 0x03
+	.global sMaxTime
+sMaxTime: ; 0x020ED498
+	; 23:59:59
+	.word 23, 59, 59
+
+	.global sMaxDate
+sMaxDate: ; 0x020ED4A4
+	; 31 December, 2099
+	.word 99, 12, 31, 0
+
+	.global sGF_DaysPerMonth
+sGF_DaysPerMonth: ; 0x020ED4B2
+	.short   0
+	.short  31
+	.short  59
+	.short  90
+	.short 120
+	.short 151
+	.short 181
+	.short 212
+	.short 243
+	.short 273
+	.short 304
+	.short 334
+
+	.global sTimeOfDayByHour
+sTimeOfDayByHour: ; 0x020ED4CC
+	; 00:00 - 03:59
+	.byte 0x04, 0x04, 0x04, 0x04
+	; 04:00 - 09:59
+	.byte 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+	; 10:00 - 16:59
+	.byte 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
+	; 17:00 - 19:59
+	.byte 0x02, 0x02, 0x02
+	; 20:00 - 23:59
+	.byte 0x03, 0x03, 0x03, 0x03
 
 	.section .bss
 
-	.global UNK_021C4808
-UNK_021C4808: ; 0x021C4808
-	.space 0x10
-
-	.global UNK_021C4818
-UNK_021C4818: ; 0x021C4818
-	.space 0x10
-
-	.global UNK_021C4828
-UNK_021C4828: ; 0x021C4828
-	.space 0x28
+	.global sGFRTCWork
+sGFRTCWork: ; 0x021C4808
+	.space 0x48
 
 	.text
 
@@ -748,7 +767,7 @@ FUN_02011BF4: ; 0x02011BF4
 	ldr r1, _02011C9C ; =UNK_020ED398
 	str r0, [r4, #0x0]
 	ldr r0, [r5, #0x0]
-	ldr r6, _02011CA0 ; =UNK_020ED399
+	ldr r6, _02011CA0 ; =UNK_020ED398 + 1
 	str r0, [r4, #0x4]
 	ldr r0, [r4, #0x8]
 	ldr r2, [r5, #0x8]
@@ -787,7 +806,7 @@ _02011C5C:
 	ldr r0, [r4, #0x8]
 	ldr r2, [r5, #0x0]
 	lsl r1, r0, #0x1
-	ldr r0, _02011CA0 ; =UNK_020ED399
+	ldr r0, _02011CA0 ; =UNK_020ED398 + 1
 	ldrb r0, [r0, r1]
 	add r0, r2, r0
 	str r0, [r5, #0x0]
@@ -818,7 +837,7 @@ _02011C96:
 	pop {r4-r6, pc}
 	nop
 _02011C9C: .word UNK_020ED398
-_02011CA0: .word UNK_020ED399
+_02011CA0: .word UNK_020ED398 + 1
 
 	thumb_func_start FUN_02011CA4
 FUN_02011CA4: ; 0x02011CA4
@@ -963,7 +982,7 @@ FUN_02011DA0: ; 0x02011DA0
 	ldr r0, _02011E44 ; =UNK_020ED398
 	ldrb r0, [r0, r1]
 	str r0, [sp, #0x10]
-	ldr r0, _02011E48 ; =UNK_020ED399
+	ldr r0, _02011E48 ; =UNK_020ED398 + 1
 	ldrb r0, [r0, r1]
 	ldr r1, [sp, #0x10]
 	add r4, r1, #0x0
@@ -1034,7 +1053,7 @@ _02011E1A:
 	pop {r4-r7, pc}
 	.balign 4
 _02011E44: .word UNK_020ED398
-_02011E48: .word UNK_020ED399
+_02011E48: .word UNK_020ED398 + 1
 _02011E4C: .word 0x04001000
 _02011E50: .word 0x00300010
 _02011E54: .word 0x0000FFFF
@@ -2028,11 +2047,11 @@ FUN_02012560: ; 0x02012560
 	.balign 4
 _02012598: .word UNK_020ED3C8
 
-	thumb_func_start FUN_0201259C
-FUN_0201259C: ; 0x0201259C
+	thumb_func_start GF_InitRTCWork
+GF_InitRTCWork: ; 0x0201259C
 	push {r3, lr}
 	bl RTC_Init
-	ldr r3, _020125CC ; =UNK_021C4808
+	ldr r3, _020125CC ; =sGFRTCWork
 	mov r0, #0x0
 	add r2, r3, #0x0
 	add r1, r0, #0x0
@@ -2045,21 +2064,21 @@ FUN_0201259C: ; 0x0201259C
 	stmia r2!, {r0-r1}
 	stmia r2!, {r0-r1}
 	stmia r2!, {r0-r1}
-	ldr r1, _020125D0 ; =UNK_021C4808
+	ldr r1, _020125D0 ; =sGFRTCWork
 	str r0, [r1, #0x0]
 	str r0, [r1, #0x4]
 	str r0, [r1, #0x8]
 	add r0, r3, #0x0
-	bl FUN_02012634
+	bl GF_RTC_GetDateTime
 	pop {r3, pc}
 	.balign 4
-_020125CC: .word UNK_021C4808
-_020125D0: .word UNK_021C4808
+_020125CC: .word sGFRTCWork
+_020125D0: .word sGFRTCWork
 
-	thumb_func_start FUN_020125D4
-FUN_020125D4: ; 0x020125D4
+	thumb_func_start GF_RTC_UpdateOnFrame
+GF_RTC_UpdateOnFrame: ; 0x020125D4
 	push {r3, lr}
-	ldr r0, _020125F4 ; =UNK_021C4808
+	ldr r0, _020125F4 ; =sGFRTCWork
 	ldr r1, [r0, #0x4]
 	cmp r1, #0x0
 	bne _020125F2
@@ -2070,16 +2089,16 @@ FUN_020125D4: ; 0x020125D4
 	ble _020125F2
 	mov r1, #0x0
 	str r1, [r0, #0x8]
-	ldr r0, _020125F8 ; =UNK_021C4808
-	bl FUN_02012634
+	ldr r0, _020125F8 ; =sGFRTCWork
+	bl GF_RTC_GetDateTime
 _020125F2:
 	pop {r3, pc}
 	.balign 4
-_020125F4: .word UNK_021C4808
-_020125F8: .word UNK_021C4808
+_020125F4: .word sGFRTCWork
+_020125F8: .word sGFRTCWork
 
-	thumb_func_start FUN_020125FC
-FUN_020125FC: ; 0x020125FC
+	thumb_func_start GF_RTC_GetDateTime_Callback
+GF_RTC_GetDateTime_Callback: ; 0x020125FC
 	push {r4, lr}
 	add r4, r1, #0x0
 	str r0, [r4, #0xc]
@@ -2109,15 +2128,15 @@ _0201260A:
 	str r0, [r4, #0x4]
 	pop {r4, pc}
 
-	thumb_func_start FUN_02012634
-FUN_02012634: ; 0x02012634
+	thumb_func_start GF_RTC_GetDateTime
+GF_RTC_GetDateTime: ; 0x02012634
 	push {r4, lr}
 	add r4, r0, #0x0
 	mov r0, #0x1
 	str r0, [r4, #0x4]
 	add r0, r4, #0x0
 	add r1, r4, #0x0
-	ldr r2, _02012658 ; =FUN_020125FC
+	ldr r2, _02012658 ; =GF_RTC_GetDateTime_Callback
 	add r0, #0x2c
 	add r1, #0x3c
 	add r3, r4, #0x0
@@ -2129,24 +2148,24 @@ FUN_02012634: ; 0x02012634
 _02012656:
 	pop {r4, pc}
 	.balign 4
-_02012658: .word FUN_020125FC
+_02012658: .word GF_RTC_GetDateTime_Callback
 
-	thumb_func_start CopyRtcBuffersTo
-CopyRtcBuffersTo: ; 0x0201265C
+	thumb_func_start GF_RTC_CopyDateTime
+GF_RTC_CopyDateTime: ; 0x0201265C
 	push {r3-r5, lr}
 	add r5, r0, #0x0
-	ldr r0, _02012684 ; =UNK_021C4808
+	ldr r0, _02012684 ; =sGFRTCWork
 	add r4, r1, #0x0
 	ldr r0, [r0, #0x0]
 	cmp r0, #0x1
 	beq _0201266E
 	bl ErrorHandling
 _0201266E:
-	ldr r2, _02012688 ; =UNK_021C4818
+	ldr r2, _02012688 ; =sGFRTCWork + 16
 	ldmia r2!, {r0-r1}
 	stmia r5!, {r0-r1}
 	ldmia r2!, {r0-r1}
-	ldr r2, _0201268C ; =UNK_021C4828
+	ldr r2, _0201268C ; =sGFRTCWork + 32
 	stmia r5!, {r0-r1}
 	ldmia r2!, {r0-r1}
 	stmia r4!, {r0-r1}
@@ -2154,54 +2173,54 @@ _0201266E:
 	str r0, [r4, #0x0]
 	pop {r3-r5, pc}
 	.balign 4
-_02012684: .word UNK_021C4808
-_02012688: .word UNK_021C4818
-_0201268C: .word UNK_021C4828
+_02012684: .word sGFRTCWork
+_02012688: .word sGFRTCWork + 16
+_0201268C: .word sGFRTCWork + 32
 
-	thumb_func_start FUN_02012690
-FUN_02012690: ; 0x02012690
+	thumb_func_start GF_RTC_CopyTime
+GF_RTC_CopyTime: ; 0x02012690
 	push {r4, lr}
 	add r4, r0, #0x0
-	ldr r0, _020126AC ; =UNK_021C4808
+	ldr r0, _020126AC ; =sGFRTCWork
 	ldr r0, [r0, #0x0]
 	cmp r0, #0x1
 	beq _020126A0
 	bl ErrorHandling
 _020126A0:
-	ldr r2, _020126B0 ; =UNK_021C4828
+	ldr r2, _020126B0 ; =sGFRTCWork + 32
 	ldmia r2!, {r0-r1}
 	stmia r4!, {r0-r1}
 	ldr r0, [r2, #0x0]
 	str r0, [r4, #0x0]
 	pop {r4, pc}
 	.balign 4
-_020126AC: .word UNK_021C4808
-_020126B0: .word UNK_021C4828
+_020126AC: .word sGFRTCWork
+_020126B0: .word sGFRTCWork + 32
 
-	thumb_func_start FUN_020126B4
-FUN_020126B4: ; 0x020126B4
+	thumb_func_start GF_RTC_CopyDate
+GF_RTC_CopyDate: ; 0x020126B4
 	push {r4, lr}
 	add r4, r0, #0x0
-	ldr r0, _020126D0 ; =UNK_021C4808
+	ldr r0, _020126D0 ; =sGFRTCWork
 	ldr r0, [r0, #0x0]
 	cmp r0, #0x1
 	beq _020126C4
 	bl ErrorHandling
 _020126C4:
-	ldr r2, _020126D4 ; =UNK_021C4818
+	ldr r2, _020126D4 ; =sGFRTCWork + 16
 	ldmia r2!, {r0-r1}
 	stmia r4!, {r0-r1}
 	ldmia r2!, {r0-r1}
 	stmia r4!, {r0-r1}
 	pop {r4, pc}
 	.balign 4
-_020126D0: .word UNK_021C4808
-_020126D4: .word UNK_021C4818
+_020126D0: .word sGFRTCWork
+_020126D4: .word sGFRTCWork + 16
 
-	thumb_func_start FUN_020126D8
-FUN_020126D8: ; 0x020126D8
+	thumb_func_start GF_RTC_TimeToSec
+GF_RTC_TimeToSec: ; 0x020126D8
 	push {r3-r4}
-	ldr r4, _020126F8 ; =UNK_021C4828
+	ldr r4, _020126F8 ; =sGFRTCWork + 32
 	mov r0, #0x3c
 	ldr r1, [r4, #0x4]
 	ldr r3, [r4, #0x8]
@@ -2216,18 +2235,18 @@ FUN_020126D8: ; 0x020126D8
 	pop {r3-r4}
 	bx lr
 	nop
-_020126F8: .word UNK_021C4828
+_020126F8: .word sGFRTCWork + 32
 
-	thumb_func_start FUN_020126FC
-FUN_020126FC: ; 0x020126FC
+	thumb_func_start GF_RTC_DateTimeToSec
+GF_RTC_DateTimeToSec: ; 0x020126FC
 	ldr r3, _02012704 ; =RTC_ConvertDateTimeToSecond
-	ldr r0, _02012708 ; =UNK_021C4818
-	ldr r1, _0201270C ; =UNK_021C4828
+	ldr r0, _02012708 ; =sGFRTCWork + 16
+	ldr r1, _0201270C ; =sGFRTCWork + 32
 	bx r3
 	.balign 4
 _02012704: .word RTC_ConvertDateTimeToSecond
-_02012708: .word UNK_021C4818
-_0201270C: .word UNK_021C4828
+_02012708: .word sGFRTCWork + 16
+_0201270C: .word sGFRTCWork + 32
 
 	thumb_func_start FUN_02012710
 FUN_02012710: ; 0x02012710
@@ -2235,7 +2254,7 @@ FUN_02012710: ; 0x02012710
 	sub sp, #0x10
 	add r5, r0, #0x0
 	ldr r2, [r5, #0x4]
-	ldr r0, _02012778 ; =UNK_020ED4B2
+	ldr r0, _02012778 ; =sGF_DaysPerMonth - 2
 	lsl r1, r2, #0x1
 	ldrh r0, [r0, r1]
 	ldr r3, [r5, #0x8]
@@ -2283,12 +2302,12 @@ _02012752:
 	add sp, #0x10
 	pop {r4-r6, pc}
 	.balign 4
-_02012778: .word UNK_020ED4B2
+_02012778: .word sGF_DaysPerMonth - 2
 
 	thumb_func_start IsNighttime
 IsNighttime: ; 0x0201277C
 	push {r3, lr}
-	bl FUN_02012794
+	bl GF_RTC_GetTimeOfDay
 	cmp r0, #0x3
 	beq _0201278A
 	cmp r0, #0x4
@@ -2301,19 +2320,19 @@ _0201278E:
 	pop {r3, pc}
 	.balign 4
 
-	thumb_func_start FUN_02012794
-FUN_02012794: ; 0x02012794
+	thumb_func_start GF_RTC_GetTimeOfDay
+GF_RTC_GetTimeOfDay: ; 0x02012794
 	push {lr}
 	sub sp, #0xc
 	add r0, sp, #0x0
-	bl FUN_02012690
+	bl GF_RTC_CopyTime
 	ldr r0, [sp, #0x0]
-	bl FUN_020127A8
+	bl GF_RTC_GetTimeOfDayByHour
 	add sp, #0xc
 	pop {pc}
 
-	thumb_func_start FUN_020127A8
-FUN_020127A8: ; 0x020127A8
+	thumb_func_start GF_RTC_GetTimeOfDayByHour
+GF_RTC_GetTimeOfDayByHour: ; 0x020127A8
 	push {r4, lr}
 	add r4, r0, #0x0
 	bmi _020127B2
@@ -2322,18 +2341,18 @@ FUN_020127A8: ; 0x020127A8
 _020127B2:
 	bl ErrorHandling
 _020127B6:
-	ldr r0, _020127BC ; =UNK_020ED4CC
+	ldr r0, _020127BC ; =sTimeOfDayByHour
 	ldrb r0, [r0, r4]
 	pop {r4, pc}
 	.balign 4
-_020127BC: .word UNK_020ED4CC
+_020127BC: .word sTimeOfDayByHour
 
 	thumb_func_start FUN_020127C0
 FUN_020127C0: ; 0x020127C0
 	push {r4-r7, lr}
 	sub sp, #0x24
 	add r6, r3, #0x0
-	ldr r3, _0201282C ; =UNK_020ED4A4
+	ldr r3, _0201282C ; =sMaxDate
 	add r4, r0, #0x0
 	add r7, r1, #0x0
 	add r5, r2, #0x0
@@ -2343,7 +2362,7 @@ FUN_020127C0: ; 0x020127C0
 	stmia r2!, {r0-r1}
 	ldmia r3!, {r0-r1}
 	stmia r2!, {r0-r1}
-	ldr r3, _02012830 ; =UNK_020ED498
+	ldr r3, _02012830 ; =sMaxTime
 	add r2, sp, #0x8
 	ldmia r3!, {r0-r1}
 	str r2, [sp, #0x4]
@@ -2384,8 +2403,8 @@ _02012818:
 	add sp, #0x24
 	pop {r4-r7, pc}
 	nop
-_0201282C: .word UNK_020ED4A4
-_02012830: .word UNK_020ED498
+_0201282C: .word sMaxDate
+_02012830: .word sMaxTime
 _02012834: .word 0xBC19137F
 
 	thumb_func_start ListMenu_ctor
diff --git a/arm9/asm/unk_02025954.s b/arm9/asm/unk_02025954.s
index eb6eff6e..bb8ebe4f 100644
--- a/arm9/asm/unk_02025954.s
+++ b/arm9/asm/unk_02025954.s
@@ -60,7 +60,7 @@ FUN_0202597C: ; 0x0202597C
 	add r4, r0, #0x0
 	add r0, sp, #0xc
 	add r1, sp, #0x0
-	bl CopyRtcBuffersTo
+	bl GF_RTC_CopyDateTime
 	ldr r0, _020259D8 ; =gMain
 	ldr r6, [sp, #0xc]
 	ldr r1, [sp, #0x8]
diff --git a/arm9/asm/unk_020281E0.s b/arm9/asm/unk_020281E0.s
index b0f0a5f2..e1a5729d 100644
--- a/arm9/asm/unk_020281E0.s
+++ b/arm9/asm/unk_020281E0.s
@@ -560,7 +560,7 @@ FUN_020285D0: ; 0x020285D0
 	add r5, r0, #0x0
 	add r4, r1, #0x0
 	add r0, sp, #0x0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	mov r0, #0x30
 	add r2, r4, #0x0
 	mul r2, r0
diff --git a/arm9/asm/unk_02028980.s b/arm9/asm/unk_02028980.s
index 6c44488d..ad0b1145 100644
--- a/arm9/asm/unk_02028980.s
+++ b/arm9/asm/unk_02028980.s
@@ -83,7 +83,7 @@ FUN_020289B0: ; 0x020289B0
 	pop {r3-r7, pc}
 _020289C0:
 	add r0, sp, #0x0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	ldr r0, [r7, #0x0]
 	lsl r1, r0, #0x15
 	lsr r3, r1, #0x1c
@@ -145,7 +145,7 @@ FUN_02028A20: ; 0x02028A20
 	pop {r4, pc}
 _02028A30:
 	add r0, sp, #0x0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	ldr r0, [r4, #0x0]
 	lsl r0, r0, #0x19
 	lsr r0, r0, #0x19
@@ -942,7 +942,7 @@ FUN_02028FA4: ; 0x02028FA4
 	bl AllocFromHeap
 	add r4, r0, #0x0
 	add r0, sp, #0x0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	ldr r2, [r4, #0x0]
 	mov r0, #0x7f
 	bic r2, r0
diff --git a/arm9/asm/unk_0202B374.s b/arm9/asm/unk_0202B374.s
index 3a911598..67c01b0a 100644
--- a/arm9/asm/unk_0202B374.s
+++ b/arm9/asm/unk_0202B374.s
@@ -170,7 +170,7 @@ FUN_0202B470: ; 0x0202B470
 	add r0, sp, #0x0
 	add r4, r1, #0x0
 	add r6, r2, #0x0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	ldr r0, [sp, #0x8]
 	ldr r3, [sp, #0x4]
 	lsl r0, r0, #0x18
diff --git a/arm9/asm/unk_0202BE98.s b/arm9/asm/unk_0202BE98.s
index 8e7a28c2..2b1b2f16 100644
--- a/arm9/asm/unk_0202BE98.s
+++ b/arm9/asm/unk_0202BE98.s
@@ -149,7 +149,7 @@ FUN_0202BF90: ; 0x0202BF90
 	add r1, r5, r0
 	ldr r0, _0202BFCC ; =0x00000588
 	str r4, [r1, r0]
-	bl FUN_020126FC
+	bl GF_RTC_DateTimeToSec
 	lsl r2, r6, #0x3
 	add r3, r5, r2
 	ldr r2, _0202BFD0 ; =0x000005D8
@@ -223,7 +223,7 @@ FUN_0202C028: ; 0x0202C028
 	push {r4-r6, lr}
 	add r5, r0, #0x0
 	add r4, r1, #0x0
-	bl FUN_020126FC
+	bl GF_RTC_DateTimeToSec
 	ldr r1, _0202C058 ; =0x00000588
 	mov r3, #0x0
 	add r6, r5, #0x0
diff --git a/arm9/asm/unk_0202F150.s b/arm9/asm/unk_0202F150.s
index 903aa0a1..a4efe28d 100644
--- a/arm9/asm/unk_0202F150.s
+++ b/arm9/asm/unk_0202F150.s
@@ -4278,7 +4278,7 @@ FUN_020312BC: ; 0x020312BC
 	add r4, r0, #0x0
 	add r0, sp, #0x10
 	add r1, sp, #0x4
-	bl CopyRtcBuffersTo
+	bl GF_RTC_CopyDateTime
 	ldr r0, _02031340 ; =gMain
 	ldr r6, [sp, #0x10]
 	mov r5, #0x0
diff --git a/arm9/asm/unk_02034FE4.s b/arm9/asm/unk_02034FE4.s
index 56a67b6f..2d66b396 100644
--- a/arm9/asm/unk_02034FE4.s
+++ b/arm9/asm/unk_02034FE4.s
@@ -133,7 +133,7 @@ FUN_02034FE4: ; 0x02034FE4
 	cmp r4, #0x18
 	blt _0203505C
 	ldr r0, [r7, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	add r6, r0, #0x0
 	add r0, r6, #0x4
 	bl FUN_02012710
diff --git a/arm9/asm/unk_02035068.s b/arm9/asm/unk_02035068.s
index da71c049..9e1896cf 100644
--- a/arm9/asm/unk_02035068.s
+++ b/arm9/asm/unk_02035068.s
@@ -1677,7 +1677,7 @@ FUN_02035D34: ; 0x02035D34
 	ldr r0, [sp, #0x4]
 	str r0, [r4, #0x4]
 	add r0, r5, #0x0
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	str r0, [r4, #0x8]
 	add r0, r7, #0x0
 	mov r1, #0x0
diff --git a/arm9/asm/unk_020377F0.s b/arm9/asm/unk_020377F0.s
index 26f6442d..730ffea9 100644
--- a/arm9/asm/unk_020377F0.s
+++ b/arm9/asm/unk_020377F0.s
@@ -1572,7 +1572,7 @@ _02038288:
 	mov r0, #0x1
 	str r0, [r4, #0x58]
 	add r0, r5, #0x0
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	cmp r0, #0x4
 	bhi _020382C8
 	add r0, r0, r0
@@ -2120,7 +2120,7 @@ FUN_020386E0: ; 0x020386E0
 	bl FUN_0202ABBC
 	str r0, [r4, #0x0]
 	ldr r0, [r5, #0xc]
-	bl FUN_02023788
+	bl Sav2_SysInfo_get
 	str r0, [r4, #0x4]
 	ldr r0, [r5, #0xc]
 	mov r1, #0x2
@@ -2199,7 +2199,7 @@ FUN_02038790: ; 0x02038790
 	bl FUN_0202A8E4
 	str r0, [r4, #0x4]
 	ldr r0, [r5, #0xc]
-	bl FUN_02023788
+	bl Sav2_SysInfo_get
 	str r0, [r4, #0x8]
 	ldr r0, [r5, #0xc]
 	bl Sav2_PlayerData_GetOptionsAddr
@@ -2407,7 +2407,7 @@ _02038956:
 	ldr r0, [r4, #0xc]
 	bl Sav2_PlayerData_GetCoinsAddr
 	str r0, [sp, #0x0]
-	bl FUN_020126FC
+	bl GF_RTC_DateTimeToSec
 	str r0, [sp, #0x4]
 	ldr r0, [sp, #0x0]
 	add r6, r1, #0x0
@@ -2469,7 +2469,7 @@ FUN_020389CC: ; 0x020389CC
 	bl Sav2_PlayerData_GetCoinsAddr
 	bl CheckCoins
 	str r0, [r4, #0x0]
-	bl FUN_020126FC
+	bl GF_RTC_DateTimeToSec
 	str r0, [r4, #0x4]
 	str r1, [r4, #0x8]
 	ldr r0, [r5, #0xc]
diff --git a/arm9/asm/unk_020476CC.s b/arm9/asm/unk_020476CC.s
index 2d2d2b2d..dc4d1c28 100644
--- a/arm9/asm/unk_020476CC.s
+++ b/arm9/asm/unk_020476CC.s
@@ -239,7 +239,7 @@ FUN_02047814: ; 0x02047814
 	ldr r1, [r4, r1]
 	bl FUN_02024F44
 	add r0, r5, #0x0
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	mov r1, #0x16
 	lsl r1, r1, #0x4
 	str r0, [r4, r1]
@@ -530,7 +530,7 @@ FUN_02047A78: ; 0x02047A78
 	lsl r1, r1, #0x2
 	str r0, [r5, r1]
 	add r0, r4, #0x0
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	mov r1, #0x16
 	lsl r1, r1, #0x4
 	str r0, [r5, r1]
@@ -724,7 +724,7 @@ _02047C98:
 	lsl r1, r1, #0x2
 	str r0, [r6, r1]
 	ldr r0, [sp, #0x0]
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	mov r1, #0x16
 	lsl r1, r1, #0x4
 	str r0, [r6, r1]
@@ -908,7 +908,7 @@ _02047E2C:
 	lsl r1, r1, #0x2
 	str r0, [r5, r1]
 	ldr r0, [sp, #0x0]
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	mov r1, #0x16
 	lsl r1, r1, #0x4
 	str r0, [r5, r1]
diff --git a/arm9/asm/unk_020484A8.s b/arm9/asm/unk_020484A8.s
index db9ea9af..a50964b1 100644
--- a/arm9/asm/unk_020484A8.s
+++ b/arm9/asm/unk_020484A8.s
@@ -44,7 +44,7 @@ _020484CC:
 	bl SavArray_PlayerParty_get
 	add r6, r0, #0x0
 	add r0, sp, #0x4
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	add r0, r4, #0x0
 	add r1, r6, #0x0
 	add r2, sp, #0x4
@@ -305,7 +305,7 @@ FUN_02048694: ; 0x02048694
 	cmp r0, #0x0
 	bne _0204871E
 	add r0, r4, #0x0
-	bl FUN_0204B328
+	bl Script_SavRTC_DateTimeTox2C
 _0204871E:
 	ldr r0, [r4, #0xc]
 	bl SavArray_PlayerParty_get
diff --git a/arm9/asm/unk_0204B0A0.s b/arm9/asm/unk_0204B0A0.s
index 5f83308d..f2e46ab6 100644
--- a/arm9/asm/unk_0204B0A0.s
+++ b/arm9/asm/unk_0204B0A0.s
@@ -9,14 +9,14 @@ FUN_0204B0F8: ; 0x0204B0F8
 	sub sp, #0x1c
 	add r5, r0, #0x0
 	ldr r0, [r5, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	add r4, r0, #0x0
 	ldr r0, [r4, #0x0]
 	cmp r0, #0x0
 	beq _0204B12A
 	add r0, sp, #0xc
 	add r1, sp, #0x0
-	bl CopyRtcBuffersTo
+	bl GF_RTC_CopyDateTime
 	add r0, r5, #0x0
 	add r1, r4, #0x0
 	add r2, sp, #0xc
@@ -202,62 +202,62 @@ FUN_0204B270: ; 0x0204B270
 	bl FUN_0202B3C4
 	pop {r4-r6, pc}
 
-	thumb_func_start FUN_0204B2A4
-FUN_0204B2A4: ; 0x0204B2A4
+	thumb_func_start Script_GetTimeOfDay
+Script_GetTimeOfDay: ; 0x0204B2A4
 	push {r3, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	ldr r0, [r0, #0x14]
-	bl FUN_020127A8
+	bl GF_RTC_GetTimeOfDayByHour
 	pop {r3, pc}
 
-	thumb_func_start FUN_0204B2B4
-FUN_0204B2B4: ; 0x0204B2B4
+	thumb_func_start Script_GetMonth
+Script_GetMonth: ; 0x0204B2B4
 	push {r3, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	ldr r0, [r0, #0x8]
 	pop {r3, pc}
 
-	thumb_func_start FUN_0204B2C0
-FUN_0204B2C0: ; 0x0204B2C0
+	thumb_func_start Script_GetDay
+Script_GetDay: ; 0x0204B2C0
 	push {r3, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	ldr r0, [r0, #0xc]
 	pop {r3, pc}
 
-	thumb_func_start FUN_0204B2CC
-FUN_0204B2CC: ; 0x0204B2CC
+	thumb_func_start Script_GetWeekday
+Script_GetWeekday: ; 0x0204B2CC
 	push {r3, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	ldr r0, [r0, #0x10]
 	pop {r3, pc}
 
-	thumb_func_start FUN_0204B2D8
-FUN_0204B2D8: ; 0x0204B2D8
+	thumb_func_start Script_GetHour
+Script_GetHour: ; 0x0204B2D8
 	push {r3, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	ldr r0, [r0, #0x14]
 	pop {r3, pc}
 
-	thumb_func_start FUN_0204B2E4
-FUN_0204B2E4: ; 0x0204B2E4
+	thumb_func_start Script_GetMinute
+Script_GetMinute: ; 0x0204B2E4
 	push {r3, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	ldr r0, [r0, #0x18]
 	pop {r3, pc}
 
-	thumb_func_start FUN_0204B2F0
-FUN_0204B2F0: ; 0x0204B2F0
+	thumb_func_start Script_SavRTC_x24toDateTime
+Script_SavRTC_x24toDateTime: ; 0x0204B2F0
 	push {r3-r5, lr}
 	ldr r0, [r0, #0xc]
 	add r5, r1, #0x0
 	add r4, r2, #0x0
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	add r3, r0, #0x0
 	ldr r2, [r3, #0x24]
 	ldr r3, [r3, #0x28]
@@ -266,13 +266,13 @@ FUN_0204B2F0: ; 0x0204B2F0
 	bl RTC_ConvertSecondToDateTime
 	pop {r3-r5, pc}
 
-	thumb_func_start FUN_0204B30C
-FUN_0204B30C: ; 0x0204B30C
+	thumb_func_start Script_SavRTC_x2CtoDateTime
+Script_SavRTC_x2CtoDateTime: ; 0x0204B30C
 	push {r3-r5, lr}
 	ldr r0, [r0, #0xc]
 	add r5, r1, #0x0
 	add r4, r2, #0x0
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	add r3, r0, #0x0
 	ldr r2, [r3, #0x2c]
 	ldr r3, [r3, #0x30]
@@ -281,13 +281,13 @@ FUN_0204B30C: ; 0x0204B30C
 	bl RTC_ConvertSecondToDateTime
 	pop {r3-r5, pc}
 
-	thumb_func_start FUN_0204B328
-FUN_0204B328: ; 0x0204B328
+	thumb_func_start Script_SavRTC_DateTimeTox2C
+Script_SavRTC_DateTimeTox2C: ; 0x0204B328
 	push {r4, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	add r4, r0, #0x0
-	bl FUN_020126FC
+	bl GF_RTC_DateTimeToSec
 	str r0, [r4, #0x2c]
 	str r1, [r4, #0x30]
 	pop {r4, pc}
@@ -296,7 +296,7 @@ FUN_0204B328: ; 0x0204B328
 FUN_0204B33C: ; 0x0204B33C
 	push {r3, lr}
 	ldr r0, [r0, #0xc]
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	bl FUN_02023874
 	pop {r3, pc}
 	.balign 4
diff --git a/arm9/asm/unk_0204B9EC.s b/arm9/asm/unk_0204B9EC.s
index e781dc81..04b6134b 100644
--- a/arm9/asm/unk_0204B9EC.s
+++ b/arm9/asm/unk_0204B9EC.s
@@ -22,7 +22,7 @@ FUN_0204B9EC: ; 0x0204B9EC
 	bl FUN_0204BB20
 	ldr r0, _0204BA14 ; =UNK_021C5A1C
 	bl FUN_0204BBC4
-	bl FUN_020126FC
+	bl GF_RTC_DateTimeToSec
 	ldr r2, _0204BA18 ; =UNK_021C5A1C
 	str r0, [r2, #0x40]
 	str r1, [r2, #0x44]
@@ -38,7 +38,7 @@ FUN_0204BA1C: ; 0x0204BA1C
 	ldr r4, _0204BA60 ; =UNK_021C5A1C
 	bl FUN_02029FC8
 	add r5, r0, #0x0
-	bl FUN_020126FC
+	bl GF_RTC_DateTimeToSec
 	add r3, r1, #0x0
 	ldr r1, _0204BA64 ; =UNK_021C5A1C
 	add r2, r0, #0x0
diff --git a/arm9/asm/unk_02064E90.s b/arm9/asm/unk_02064E90.s
index 319e816e..27f1c143 100644
--- a/arm9/asm/unk_02064E90.s
+++ b/arm9/asm/unk_02064E90.s
@@ -76,11 +76,11 @@ FUN_02064E90: ; 0x02064E90
 	add r0, r6, #0x0
 	add r1, sp, #0x90
 	add r2, sp, #0x74
-	bl FUN_0204B2F0
+	bl Script_SavRTC_x24toDateTime
 	add r0, r6, #0x0
 	add r1, sp, #0x80
 	add r2, sp, #0x74
-	bl FUN_0204B30C
+	bl Script_SavRTC_x2CtoDateTime
 	ldr r0, [r6, #0xc]
 	bl SavArray_Flags_get
 	bl FUN_0205ED0C
diff --git a/arm9/asm/unk_0207FD00.s b/arm9/asm/unk_0207FD00.s
index 38a42358..294b8bfc 100644
--- a/arm9/asm/unk_0207FD00.s
+++ b/arm9/asm/unk_0207FD00.s
@@ -1745,7 +1745,7 @@ FUN_02080B30: ; 0x02080B30
 	add r5, r0, #0x0
 	add r0, sp, #0x0
 	add r4, r2, #0x0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	cmp r4, #0x0
 	add r2, sp, #0x24
 	bne _02080B76
diff --git a/arm9/asm/unk_02080C38.s b/arm9/asm/unk_02080C38.s
index b41f5319..ed311aef 100644
--- a/arm9/asm/unk_02080C38.s
+++ b/arm9/asm/unk_02080C38.s
@@ -3764,7 +3764,7 @@ _02082858: .word 0x00000127
 	thumb_func_start FUN_0208285C
 FUN_0208285C: ; 0x0208285C
 	push {r4, lr}
-	bl FUN_020126D8
+	bl GF_RTC_TimeToSec
 	add r4, r0, #0x0
 	bl GetLCRNGSeed
 	add r0, #0xa
diff --git a/arm9/global.inc b/arm9/global.inc
index b740ddb4..29501049 100644
--- a/arm9/global.inc
+++ b/arm9/global.inc
@@ -798,17 +798,17 @@
 .extern FUN_020124B4
 .extern FUN_02012530
 .extern FUN_02012560
-.extern FUN_0201259C
-.extern FUN_020125D4
-.extern CopyRtcBuffersTo
-.extern FUN_02012690
-.extern FUN_020126B4
-.extern FUN_020126D8
-.extern FUN_020126FC
+.extern GF_InitRTCWork
+.extern GF_RTC_UpdateOnFrame
+.extern GF_RTC_CopyDateTime
+.extern GF_RTC_CopyTime
+.extern GF_RTC_CopyDate
+.extern GF_RTC_TimeToSec
+.extern GF_RTC_DateTimeToSec
 .extern FUN_02012710
 .extern IsNighttime
-.extern FUN_02012794
-.extern FUN_020127A8
+.extern GF_RTC_GetTimeOfDay
+.extern GF_RTC_GetTimeOfDayByHour
 .extern FUN_020127C0
 .extern ListMenu_ctor
 .extern ListMenu_dtor
@@ -1453,20 +1453,20 @@
 .extern FUN_0202287C
 .extern WriteSaveFileToFlash
 .extern ReadSaveFileFromFlash
-.extern FUN_0202376C
-.extern FUN_02023770
-.extern FUN_02023788
-.extern FUN_02023794
-.extern FUN_020237A0
-.extern FUN_020237CC
-.extern FUN_020237FC
-.extern FUN_02023818
-.extern FUN_0202381C
+.extern Sav2_SysInfo_sizeof
+.extern Sav2_SysInfo_init
+.extern Sav2_SysInfo_get
+.extern Sav2_SysInfo_RTC_get
+.extern Sav2_SysInfo_InitFromSystem
+.extern Sav2_SysInfo_MacAddressIsMine
+.extern Sav2_SysInfo_RTCOffsetIsMine
+.extern Sav2_SysInfo_GetBirthMonth
+.extern Sav2_SysInfo_GetBirthDay
 .extern FUN_02023820
 .extern FUN_02023828
 .extern FUN_02023830
 .extern FUN_02023834
-.extern FUN_02023840
+.extern Sav2_SysInfo_RTC_init
 .extern FUN_02023874
 .extern FUN_02023884
 .extern FUN_020238A4
@@ -3547,15 +3547,15 @@
 .extern FUN_0204B090
 .extern FUN_0204B0E8
 .extern FUN_0204B0F8
-.extern FUN_0204B2A4
-.extern FUN_0204B2B4
-.extern FUN_0204B2C0
-.extern FUN_0204B2CC
-.extern FUN_0204B2D8
-.extern FUN_0204B2E4
-.extern FUN_0204B2F0
-.extern FUN_0204B30C
-.extern FUN_0204B328
+.extern Script_GetTimeOfDay
+.extern Script_GetMonth
+.extern Script_GetDay
+.extern Script_GetWeekday
+.extern Script_GetHour
+.extern Script_GetMinute
+.extern Script_SavRTC_x24toDateTime
+.extern Script_SavRTC_x2CtoDateTime
+.extern Script_SavRTC_DateTimeTox2C
 .extern FUN_0204B33C
 .extern FUN_0204B388
 .extern FUN_0204B3B8
diff --git a/arm9/modules/05/asm/mod05_021DB44C.s b/arm9/modules/05/asm/mod05_021DB44C.s
index 75d5fd9c..b606312e 100644
--- a/arm9/modules/05/asm/mod05_021DB44C.s
+++ b/arm9/modules/05/asm/mod05_021DB44C.s
@@ -25,7 +25,7 @@ _021DB45A:
 	str r0, [r4]
 	mov r0, #0
 	str r0, [r4, #8]
-	bl FUN_020126D8
+	bl GF_RTC_TimeToSec
 	lsr r1, r0, #0x1f
 	add r1, r0, r1
 	asr r3, r1, #1
@@ -79,7 +79,7 @@ MOD05_021DB4D0: ; 0x021DB4D0
 	bne _021DB4DA
 	bl ErrorHandling
 _021DB4DA:
-	bl FUN_020126D8
+	bl GF_RTC_TimeToSec
 	lsr r1, r0, #0x1f
 	add r1, r0, r1
 	asr r0, r1, #1
diff --git a/arm9/modules/05/asm/module_05.s b/arm9/modules/05/asm/module_05.s
index a993374a..daf46f68 100644
--- a/arm9/modules/05/asm/module_05.s
+++ b/arm9/modules/05/asm/module_05.s
@@ -16198,10 +16198,10 @@ MOD05_021ED320: ; 0x021ED320
 MOD05_021ED334: ; 0x021ED334
 	push {r3, r4, r5, lr}
 	add r4, r0, #0
-	bl FUN_0204B2C0
+	bl Script_GetDay
 	add r5, r0, #0
 	add r0, r4, #0
-	bl FUN_0204B2B4
+	bl Script_GetMonth
 	mov r1, #0x64
 	mul r1, r0
 	add r0, r4, #0
diff --git a/arm9/modules/06/asm/module_06.s b/arm9/modules/06/asm/module_06.s
index 5d47188a..fd961cc0 100644
--- a/arm9/modules/06/asm/module_06.s
+++ b/arm9/modules/06/asm/module_06.s
@@ -4718,7 +4718,7 @@ MOD06_0223B944: ; 0x0223B944
 	add r5, r0, #0
 	add r4, r1, #0
 	add r6, r2, #0
-	bl FUN_02012794
+	bl GF_RTC_GetTimeOfDay
 	sub r1, r0, #1
 	cmp r1, #1
 	bhi _0223B960
@@ -31114,7 +31114,7 @@ MOD06_0224891C: ; 0x0224891C
 	bl Sav2_PlayerData_GetOptionsAddr
 	str r0, [r4, #0x14]
 	add r0, r6, #0
-	bl FUN_0204B2A4
+	bl Script_GetTimeOfDay
 	cmp r0, #1
 	bhi _02248996
 	mov r0, #0
@@ -31562,16 +31562,16 @@ MOD06_02248D00: ; 0x02248D00
 	push {r3, r4, r5, r6, lr}
 	sub sp, #0xc
 	add r4, r0, #0
-	bl FUN_0204B2CC
+	bl Script_GetWeekday
 	add r0, r0, #6
 	mov r1, #7
 	bl _s32_div_f
 	add r0, r4, #0
 	add r5, r1, #0
-	bl FUN_0204B2D8
+	bl Script_GetHour
 	add r6, r0, #0
 	add r0, r4, #0
-	bl FUN_0204B2E4
+	bl Script_GetMinute
 	mov r1, #0xf
 	bl _s32_div_f
 	add r6, #0x13
@@ -32021,7 +32021,7 @@ _0224905E: ; jump table
 _02249066:
 	bl ErrorHandling
 _0224906A:
-	bl FUN_02012794
+	bl GF_RTC_GetTimeOfDay
 	cmp r0, #0
 	beq _02249078
 	cmp r0, #1
@@ -32282,7 +32282,7 @@ MOD06_02249230: ; 0x02249230
 	pop {r3, r4, r5, r6, r7, pc}
 _02249244:
 	add r0, sp, #0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	ldr r0, [sp, #4]
 	cmp r0, #0
 	bne _02249254
@@ -32465,7 +32465,7 @@ MOD06_02249388: ; 0x02249388
 	push {r3, r4, r5, r6, r7, lr}
 	sub sp, #0x10
 	add r5, r1, #0
-	bl FUN_02012794
+	bl GF_RTC_GetTimeOfDay
 	ldr r1, [r5]
 	add r4, r0, #0
 	cmp r1, #0
diff --git a/arm9/modules/11/asm/module_11_thumb1.s b/arm9/modules/11/asm/module_11_thumb1.s
index 0d4f5c5a..b5cc45b0 100644
--- a/arm9/modules/11/asm/module_11_thumb1.s
+++ b/arm9/modules/11/asm/module_11_thumb1.s
@@ -676,7 +676,7 @@ MOD11_0222DB50: ; 0x0222DB50
 	str r0, [r4, r1]
 	add r0, sp, #0x20
 	add r1, sp, #0x14
-	bl CopyRtcBuffersTo
+	bl GF_RTC_CopyDateTime
 	ldr r0, _0222DF10 ; =gMain
 	ldr r6, [sp, #0x24]
 	ldr r5, [r0, #0x2c]
diff --git a/arm9/modules/21/asm/module_21.s b/arm9/modules/21/asm/module_21.s
index 787a729f..ad12a682 100644
--- a/arm9/modules/21/asm/module_21.s
+++ b/arm9/modules/21/asm/module_21.s
@@ -61,7 +61,7 @@ MOD21_0225489C: ; 0x0225489C
 	add r0, r5, #0
 	str r1, [r5, #0x20]
 	add r0, #0x14
-	bl FUN_02012690
+	bl GF_RTC_CopyTime
 	ldr r0, [r5, #0x14]
 	cmp r0, #0x18
 	blo _022548D6
@@ -256,7 +256,7 @@ _02254A0A:
 	strb r0, [r4, #5]
 	add r0, r4, #0
 	add r0, #0x14
-	bl FUN_02012690
+	bl GF_RTC_CopyTime
 	ldrb r1, [r4, #5]
 	ldr r0, [r4, #0x18]
 	cmp r1, r0
diff --git a/arm9/modules/25/asm/module_25.s b/arm9/modules/25/asm/module_25.s
index 84129725..481c98c2 100644
--- a/arm9/modules/25/asm/module_25.s
+++ b/arm9/modules/25/asm/module_25.s
@@ -61,7 +61,7 @@ MOD25_0225489C: ; 0x0225489C
 	add r0, r5, #0
 	str r1, [r5, #0x20]
 	add r0, #0x14
-	bl FUN_02012690
+	bl GF_RTC_CopyTime
 	ldr r0, [r5, #0x14]
 	cmp r0, #0x18
 	blo _022548D6
@@ -256,7 +256,7 @@ _02254A0A:
 	strb r0, [r4, #5]
 	add r0, r4, #0
 	add r0, #0x14
-	bl FUN_02012690
+	bl GF_RTC_CopyTime
 	ldrb r1, [r4, #5]
 	ldr r0, [r4, #0x18]
 	cmp r1, r0
diff --git a/arm9/modules/40/asm/module_40.s b/arm9/modules/40/asm/module_40.s
index 409892d9..90fc4ebd 100644
--- a/arm9/modules/40/asm/module_40.s
+++ b/arm9/modules/40/asm/module_40.s
@@ -121,7 +121,7 @@ MOD40_02254940: ; 0x02254940
 	sub sp, #0xc
 	add r4, r0, #0
 	add r0, sp, #0
-	bl FUN_02012690
+	bl GF_RTC_CopyTime
 	ldr r0, [sp]
 	cmp r0, #0x18
 	blo _0225495A
@@ -625,7 +625,7 @@ MOD40_02254CE8: ; 0x02254CE8
 	bne _02254CFE
 	add r0, r4, #0
 	add r0, #0x20
-	bl FUN_02012690
+	bl GF_RTC_CopyTime
 	mov r0, #1
 	str r0, [r4, #0x30]
 _02254CFE:
diff --git a/arm9/modules/45/asm/module_45.s b/arm9/modules/45/asm/module_45.s
index 182774aa..e3115193 100644
--- a/arm9/modules/45/asm/module_45.s
+++ b/arm9/modules/45/asm/module_45.s
@@ -48,7 +48,7 @@ MOD45_0225489C: ; 0x0225489C
 	add r4, r1, #0
 	add r0, sp, #4
 	add r6, r2, #0
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	add r0, r4, #0
 	bl MOD20_02252C3C
 	add r1, r5, #0
diff --git a/arm9/modules/52/asm/module_52.s b/arm9/modules/52/asm/module_52.s
index 55bb6ed3..829ee276 100644
--- a/arm9/modules/52/asm/module_52.s
+++ b/arm9/modules/52/asm/module_52.s
@@ -109,7 +109,7 @@ MOD52_021D7594: ; 0x021D7594
 	bl OverlayManager_GetField18
 	ldr r4, [r0, #8]
 	add r0, r4, #0
-	bl FUN_02023788
+	bl Sav2_SysInfo_get
 	add r5, r0, #0
 	mov r0, #0x4d
 	add r1, r4, #0
@@ -118,19 +118,19 @@ MOD52_021D7594: ; 0x021D7594
 	mov r1, #0
 	bl FUN_02024F9C
 	add r0, r5, #0
-	bl FUN_020237CC
+	bl Sav2_SysInfo_MacAddressIsMine
 	cmp r0, #0
 	beq _021D75C8
 	add r0, r5, #0
-	bl FUN_020237FC
+	bl Sav2_SysInfo_RTCOffsetIsMine
 	cmp r0, #0
 	bne _021D75D8
 _021D75C8:
 	add r0, r4, #0
-	bl FUN_02023794
+	bl Sav2_SysInfo_RTC_get
 	bl FUN_020238A4
 	add r0, r5, #0
-	bl FUN_020237A0
+	bl Sav2_SysInfo_InitFromSystem
 _021D75D8:
 	add r0, r4, #0
 	bl Sav2_PlayerData_GetIGTAddr
@@ -162,11 +162,11 @@ MOD52_021D7604: ; 0x021D7604
 	str r0, [sp]
 	add r0, r5, #0
 	add r6, r2, #0
-	bl FUN_02023788
-	bl FUN_020237A0
+	bl Sav2_SysInfo_get
+	bl Sav2_SysInfo_InitFromSystem
 	add r0, r5, #0
-	bl FUN_02023794
-	bl FUN_02023840
+	bl Sav2_SysInfo_RTC_get
+	bl Sav2_SysInfo_RTC_init
 	add r0, r5, #0
 	bl FUN_0202881C
 	add r4, r0, #0
diff --git a/arm9/modules/83/asm/module_83.s b/arm9/modules/83/asm/module_83.s
index d16c0493..c21879dd 100644
--- a/arm9/modules/83/asm/module_83.s
+++ b/arm9/modules/83/asm/module_83.s
@@ -1240,7 +1240,7 @@ MOD83_0222DF40: ; 0x0222DF40
 	str r0, [r5, #0x34]
 _0222DF60:
 	ldr r0, [r5, #4]
-	bl FUN_02023788
+	bl Sav2_SysInfo_get
 	bl FUN_02023820
 	cmp r0, #1
 	bne _0222DF72
@@ -3436,7 +3436,7 @@ MOD83_0222F074: ; 0x0222F074
 	add r0, #8
 	strb r1, [r4, r0]
 	add r0, sp, #8
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	add r0, sp, #8
 	bl RTC_ConvertDateToDay
 	mov r1, #0xd5
@@ -4970,7 +4970,7 @@ _0222FD12:
 	strb r0, [r5, r1]
 _0222FD2C:
 	add r0, sp, #8
-	bl FUN_020126B4
+	bl GF_RTC_CopyDate
 	add r0, sp, #8
 	bl RTC_ConvertDateToDay
 	mov r1, #0xd5
diff --git a/arm9/src/main.c b/arm9/src/main.c
index 7baf4c6a..4f3b583c 100644
--- a/arm9/src/main.c
+++ b/arm9/src/main.c
@@ -27,7 +27,7 @@ extern BOOL FUN_0202FB80(void);
 extern void InitSystemForTheGame(void);
 extern void InitGraphicMemory(void);
 extern void FUN_02022294(void);
-extern void FUN_0201259C(void);
+extern void GF_InitRTCWork(void);
 extern void FUN_02002C14(void);
 extern void FUN_02002C50(int, int);
 extern struct SaveBlock2 * SaveBlock2_new(void);
@@ -40,7 +40,7 @@ extern void FUN_02089D90(int);
 extern void FUN_0200A2AC(void);
 extern void FUN_02015E30(void);
 extern void FUN_0201B5CC(void *);
-extern void FUN_020125D4(void);
+extern void GF_RTC_UpdateOnFrame(void);
 extern void FUN_02015E60(void);
 extern void FUN_020222C4(void);
 extern void FUN_0200A318(void);
@@ -64,7 +64,7 @@ THUMB_FUNC void NitroMain(void)
     PM_GetBackLight((PMBackLightSwitch *)SDK_STATIC_BSS_START, NULL);
 
     FUN_02022294();
-    FUN_0201259C();
+    GF_InitRTCWork();
     FUN_02000DF4();
     FUN_02002C14();
     FUN_02002C50(0, 3);
@@ -125,7 +125,7 @@ THUMB_FUNC void NitroMain(void)
                 gMain.unk2C++;
             }
         }
-        FUN_020125D4();
+        GF_RTC_UpdateOnFrame();
         FUN_02015E60();
         FUN_020222C4();
         FUN_0201B5CC(gMain.unk24);
@@ -262,7 +262,7 @@ THUMB_FUNC void FUN_02000F4C(u32 arg0, u32 arg1)
     DoSoftReset(arg0);
 }
 
-extern void CopyRtcBuffersTo(struct Unk21C4818 *, struct Unk21C4828 *);
+extern void GF_RTC_CopyDateTime(struct Unk21C4818 *, struct Unk21C4828 *);
 extern void SetMTRNGSeed(u32);
 extern void SetLCRNGSeed(u32);
 
@@ -270,7 +270,7 @@ THUMB_FUNC void InitializeMainRNG(void)
 {
     struct Unk21C4818 spC;
     struct Unk21C4828 sp0;
-    CopyRtcBuffersTo(&spC, &sp0);
+    GF_RTC_CopyDateTime(&spC, &sp0);
     {
         u32 r4 = gMain.unk2C;
         u32 r5 = ((sp0.unk4 + sp0.unk8) << 24) + (spC.unk0 + ((256 * spC.unk4 * spC.unk8) << 16) + (sp0.unk0 << 16));
diff --git a/arm9/src/sav_system_info.c b/arm9/src/sav_system_info.c
index cb20bd9b..6b532b8d 100644
--- a/arm9/src/sav_system_info.c
+++ b/arm9/src/sav_system_info.c
@@ -8,30 +8,30 @@
 
 #pragma thumb on
 
-extern void CopyRtcBuffersTo(RTCDate *, RTCTime *);
+extern void GF_RTC_CopyDateTime(RTCDate *, RTCTime *);
 
-u32 FUN_0202376C(void)
+u32 Sav2_SysInfo_sizeof(void)
 {
-    return sizeof(struct UnkSaveStruct_0202376C);
+    return sizeof(struct SavSysInfo);
 }
 
-void FUN_02023770(struct UnkSaveStruct_0202376C * unk)
+void Sav2_SysInfo_init(struct SavSysInfo * unk)
 {
-    MI_CpuClearFast(unk, sizeof(struct UnkSaveStruct_0202376C));
-    FUN_02023840(&unk->rtcInfo);
+    MI_CpuClearFast(unk, sizeof(struct SavSysInfo));
+    Sav2_SysInfo_RTC_init(&unk->rtcInfo);
 }
 
-struct UnkSaveStruct_0202376C * FUN_02023788(struct SaveBlock2 * sav2)
+struct SavSysInfo * Sav2_SysInfo_get(struct SaveBlock2 * sav2)
 {
-    return (struct UnkSaveStruct_0202376C *)SavArray_get(sav2, 0);
+    return (struct SavSysInfo *)SavArray_get(sav2, 0);
 }
 
-struct UnkSaveStruct_0202376C_sub * FUN_02023794(struct SaveBlock2 * sav2)
+struct UnkSaveStruct_0202376C_sub * Sav2_SysInfo_RTC_get(struct SaveBlock2 * sav2)
 {
-    return &FUN_02023788(sav2)->rtcInfo;
+    return &Sav2_SysInfo_get(sav2)->rtcInfo;
 }
 
-void FUN_020237A0(struct UnkSaveStruct_0202376C * unk)
+void Sav2_SysInfo_InitFromSystem(struct SavSysInfo * unk)
 {
     OSOwnerInfo info;
     unk->rtcOffset = OS_GetOwnerRtcOffset();
@@ -41,7 +41,7 @@ void FUN_020237A0(struct UnkSaveStruct_0202376C * unk)
     unk->birthDay = info.birthday.day;
 }
 
-BOOL FUN_020237CC(struct UnkSaveStruct_0202376C * unk)
+BOOL Sav2_SysInfo_MacAddressIsMine(struct SavSysInfo * unk)
 {
     u8 macAddr[6];
     OS_GetMacAddress(macAddr);
@@ -53,50 +53,49 @@ BOOL FUN_020237CC(struct UnkSaveStruct_0202376C * unk)
     return TRUE;
 }
 
-BOOL FUN_020237FC(struct UnkSaveStruct_0202376C * unk)
+BOOL Sav2_SysInfo_RTCOffsetIsMine(struct SavSysInfo * unk)
 {
     return OS_GetOwnerRtcOffset() == unk->rtcOffset;
 }
 
-u8 FUN_02023818(struct UnkSaveStruct_0202376C * unk)
+u8 Sav2_SysInfo_GetBirthMonth(struct SavSysInfo * unk)
 {
     return unk->birthMonth;
 }
 
-u8 FUN_0202381C(struct UnkSaveStruct_0202376C * unk)
+u8 Sav2_SysInfo_GetBirthDay(struct SavSysInfo * unk)
 {
     return unk->birthDay;
 }
 
-u8 FUN_02023820(struct UnkSaveStruct_0202376C * unk)
+u8 FUN_02023820(struct SavSysInfo * unk)
 {
     return unk->field_48;
 }
 
-void FUN_02023828(struct UnkSaveStruct_0202376C * unk, u8 val)
+void FUN_02023828(struct SavSysInfo * unk, u8 val)
 {
     unk->field_48 = val;
 }
 
-u32 FUN_02023830(struct UnkSaveStruct_0202376C * unk)
+u32 FUN_02023830(struct SavSysInfo * unk)
 {
     return unk->field_4C;
 }
 
-void FUN_02023834(struct UnkSaveStruct_0202376C * unk, u32 val)
+void FUN_02023834(struct SavSysInfo * unk, u32 val)
 {
     if (unk->field_4C == 0)
         unk->field_4C = val;
 }
 
-void FUN_02023840(struct UnkSaveStruct_0202376C_sub * sub)
+void Sav2_SysInfo_RTC_init(struct UnkSaveStruct_0202376C_sub * sub)
 {
     sub->field_00 = 1;
-    CopyRtcBuffersTo(&sub->date, &sub->time);
+    GF_RTC_CopyDateTime(&sub->date, &sub->time);
     sub->daysSinceNitroEpoch = RTC_ConvertDateToDay(&sub->date);
     sub->secondsSinceNitroEpoch = RTC_ConvertDateTimeToSecond(&sub->date, &sub->time);
     sub->field_2C = 0;
-    sub->field_30 = 0;
     sub->field_34 = 0;
 }
 
@@ -118,6 +117,6 @@ void FUN_02023884(struct UnkSaveStruct_0202376C_sub * sub, u32 a1)
 void FUN_020238A4(struct UnkSaveStruct_0202376C_sub * sub)
 {
     sub->field_34 = 1440;
-    CopyRtcBuffersTo(&sub->date, &sub->time);
+    GF_RTC_CopyDateTime(&sub->date, &sub->time);
     sub->daysSinceNitroEpoch = RTC_ConvertDateToDay(&sub->date);
 }
diff --git a/arm9/src/save_arrays.c b/arm9/src/save_arrays.c
index abd09b1c..58e1ff4c 100644
--- a/arm9/src/save_arrays.c
+++ b/arm9/src/save_arrays.c
@@ -7,7 +7,7 @@
 
 extern u32 FUN_0202B034(void);
 extern u32 FUN_0202AC20(void);
-extern u32 FUN_0202376C(void);
+extern u32 Sav2_SysInfo_sizeof(void);
 extern u32 FUN_0204BE14(void);
 extern u32 FUN_02034D7C(void);
 extern u32 FUN_02023D64(void);
@@ -40,7 +40,7 @@ extern u32 FUN_02013B28(void);
 extern u32 PCStorage_sizeof(void);
 extern void FUN_0202B03C(void *);
 extern void FUN_0202AC28(void *);
-extern void FUN_02023770(void *);
+extern void Sav2_SysInfo_init(void *);
 extern void FUN_0204BE18(void *);
 extern void FUN_02034D98(void *);
 extern void FUN_02024378(void *);
@@ -78,7 +78,7 @@ const struct SaveChunkHeader UNK_020EE6E0[] = {
 };
 
 const struct SaveChunkHeader UNK_020EE700[] = {
-    {  0, 0, (SAVSIZEFN)FUN_0202376C, (SAVINITFN)FUN_02023770 },
+    {  0, 0, (SAVSIZEFN)Sav2_SysInfo_sizeof, (SAVINITFN)Sav2_SysInfo_init },
     {  1, 0, (SAVSIZEFN)Sav2_PlayerData_sizeof, (SAVINITFN)Sav2_PlayerData_init },
     {  2, 0, (SAVSIZEFN)SavArray_Party_sizeof, (SAVINITFN)SavArray_Party_init },
     {  3, 0, (SAVSIZEFN)Sav2_Bag_sizeof, (SAVINITFN)Sav2_Bag_init },
diff --git a/include/sav_system_info.h b/include/sav_system_info.h
index eb154f72..696cfe07 100644
--- a/include/sav_system_info.h
+++ b/include/sav_system_info.h
@@ -1,45 +1,46 @@
 #ifndef POKEDIAMOND_SAV_SYSTEM_INFO_H
 #define POKEDIAMOND_SAV_SYSTEM_INFO_H
 
+#include "RTC_api.h"
+
 struct UnkSaveStruct_0202376C_sub
 {
-    u32 field_00;
-    RTCDate date;
-    RTCTime time;
-    s32 daysSinceNitroEpoch;
-    s64 secondsSinceNitroEpoch;
-    u32 field_2C;
-    u32 field_30;
-    u32 field_34;
+    /* 0x00 */ u32 field_00;
+    /* 0x04 */ RTCDate date;
+    /* 0x14 */ RTCTime time;
+    /* 0x20 */ s32 daysSinceNitroEpoch;
+    /* 0x24 */ s64 secondsSinceNitroEpoch;
+    /* 0x2C */ s64 field_2C;
+    /* 0x34 */ u32 field_34;
 };
 
-struct UnkSaveStruct_0202376C
+struct SavSysInfo
 {
-    s64 rtcOffset;
-    u8 macAddr[6];
-    u8 birthMonth;
-    u8 birthDay;
-    struct UnkSaveStruct_0202376C_sub rtcInfo;
-    u8 field_48;
-    u8 filler_49[3];
-    u32 field_4C;
-    u8 padding_50[12];
+    /* 0x00 */ s64 rtcOffset;
+    /* 0x08 */ u8 macAddr[6];
+    /* 0x0E */ u8 birthMonth;
+    /* 0x0F */ u8 birthDay;
+    /* 0x10 */ struct UnkSaveStruct_0202376C_sub rtcInfo;
+    /* 0x48 */ u8 field_48;
+               u8 filler_49[3];
+    /* 0x4C */ u32 field_4C;
+               u8 padding_50[12];
 };
 
-u32 FUN_0202376C(void);
-void FUN_02023770(struct UnkSaveStruct_0202376C * unk);
-struct UnkSaveStruct_0202376C * FUN_02023788(struct SaveBlock2 * sav2);
-struct UnkSaveStruct_0202376C_sub * FUN_02023794(struct SaveBlock2 * sav2);
-void FUN_020237A0(struct UnkSaveStruct_0202376C * unk);
-BOOL FUN_020237CC(struct UnkSaveStruct_0202376C * unk);
-BOOL FUN_020237FC(struct UnkSaveStruct_0202376C * unk);
-u8 FUN_02023818(struct UnkSaveStruct_0202376C * unk);
-u8 FUN_0202381C(struct UnkSaveStruct_0202376C * unk);
-u8 FUN_02023820(struct UnkSaveStruct_0202376C * unk);
-void FUN_02023828(struct UnkSaveStruct_0202376C * unk, u8 val);
-u32 FUN_02023830(struct UnkSaveStruct_0202376C * unk);
-void FUN_02023834(struct UnkSaveStruct_0202376C * unk, u32 val);
-void FUN_02023840(struct UnkSaveStruct_0202376C_sub * sub);
+u32 Sav2_SysInfo_sizeof(void);
+void Sav2_SysInfo_init(struct SavSysInfo * unk);
+struct SavSysInfo * Sav2_SysInfo_get(struct SaveBlock2 * sav2);
+struct UnkSaveStruct_0202376C_sub * Sav2_SysInfo_RTC_get(struct SaveBlock2 * sav2);
+void Sav2_SysInfo_InitFromSystem(struct SavSysInfo * unk);
+BOOL Sav2_SysInfo_MacAddressIsMine(struct SavSysInfo * unk);
+BOOL Sav2_SysInfo_RTCOffsetIsMine(struct SavSysInfo * unk);
+u8 Sav2_SysInfo_GetBirthMonth(struct SavSysInfo * unk);
+u8 Sav2_SysInfo_GetBirthDay(struct SavSysInfo * unk);
+u8 FUN_02023820(struct SavSysInfo * unk);
+void FUN_02023828(struct SavSysInfo * unk, u8 val);
+u32 FUN_02023830(struct SavSysInfo * unk);
+void FUN_02023834(struct SavSysInfo * unk, u32 val);
+void Sav2_SysInfo_RTC_init(struct UnkSaveStruct_0202376C_sub * sub);
 BOOL FUN_02023874(struct UnkSaveStruct_0202376C_sub * sub);
 void FUN_02023884(struct UnkSaveStruct_0202376C_sub * sub, u32 a1);
 void FUN_020238A4(struct UnkSaveStruct_0202376C_sub * sub);