diff --git a/core/os/os_darwin.odin b/core/os/os_darwin.odin
index c7e1750d6..616e167a1 100644
--- a/core/os/os_darwin.odin
+++ b/core/os/os_darwin.odin
@@ -1026,7 +1026,7 @@ absolute_path_from_handle :: proc(fd: Handle) -> (path: string, err: Error) {
 }
 
 @(require_results)
-absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
+absolute_path_from_relative :: proc(rel: string, allocator := context.allocator) -> (path: string, err: Error) {
 	rel := rel
 	if rel == "" {
 		rel = "."
@@ -1041,9 +1041,7 @@ absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
 	}
 	defer _unix_free(rawptr(path_ptr))
 
-	path = strings.clone(string(path_ptr))
-
-	return path, nil
+	return strings.clone(string(path_ptr), allocator)
 }
 
 access :: proc(path: string, mask: int) -> bool {
diff --git a/core/os/os_freebsd.odin b/core/os/os_freebsd.odin
index f617cf973..837e79f4d 100644
--- a/core/os/os_freebsd.odin
+++ b/core/os/os_freebsd.odin
@@ -789,7 +789,7 @@ absolute_path_from_handle :: proc(fd: Handle) -> (string, Error) {
 }
 
 @(require_results)
-absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
+absolute_path_from_relative :: proc(rel: string, allocator := context.allocator) -> (path: string, err: Error) {
 	rel := rel
 	if rel == "" {
 		rel = "."
@@ -804,10 +804,7 @@ absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
 	}
 	defer _unix_free(rawptr(path_ptr))
 
-
-	path = strings.clone(string(path_ptr))
-
-	return path, nil
+	return strings.clone(string(path_ptr), allocator)
 }
 
 access :: proc(path: string, mask: int) -> (bool, Error) {
diff --git a/core/os/os_haiku.odin b/core/os/os_haiku.odin
index 0d2c334be..4ad370724 100644
--- a/core/os/os_haiku.odin
+++ b/core/os/os_haiku.odin
@@ -431,7 +431,7 @@ absolute_path_from_handle :: proc(fd: Handle) -> (string, Error) {
 }
 
 @(require_results)
-absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
+absolute_path_from_relative :: proc(rel: string, allocator := context.allocator) -> (path: string, err: Error) {
 	rel := rel
 	if rel == "" {
 		rel = "."
@@ -447,9 +447,7 @@ absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
 	defer _unix_free(path_ptr)
 
 	path_cstr := cstring(path_ptr)
-	path = strings.clone(string(path_cstr))
-
-	return path, nil
+	return strings.clone(string(path_cstr), allocator)
 }
 
 access :: proc(path: string, mask: int) -> (bool, Error) {
diff --git a/core/os/os_linux.odin b/core/os/os_linux.odin
index 8c8cd7f73..2153b04fd 100644
--- a/core/os/os_linux.odin
+++ b/core/os/os_linux.odin
@@ -914,7 +914,7 @@ absolute_path_from_handle :: proc(fd: Handle) -> (string, Error) {
 }
 
 @(require_results)
-absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
+absolute_path_from_relative :: proc(rel: string, allocator := context.allocator) -> (path: string, err: Error) {
 	rel := rel
 	if rel == "" {
 		rel = "."
@@ -929,9 +929,7 @@ absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
 	}
 	defer _unix_free(rawptr(path_ptr))
 
-	path = strings.clone(string(path_ptr))
-
-	return path, nil
+	return strings.clone(string(path_ptr), allocator)
 }
 
 access :: proc(path: string, mask: int) -> (bool, Error) {
diff --git a/core/os/os_netbsd.odin b/core/os/os_netbsd.odin
index 493527803..e3ba760a4 100644
--- a/core/os/os_netbsd.odin
+++ b/core/os/os_netbsd.odin
@@ -844,7 +844,7 @@ absolute_path_from_handle :: proc(fd: Handle) -> (path: string, err: Error) {
 }
 
 @(require_results)
-absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
+absolute_path_from_relative :: proc(rel: string, allocator := context.allocator) -> (path: string, err: Error) {
 	rel := rel
 	if rel == "" {
 		rel = "."
@@ -859,9 +859,7 @@ absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
 	}
 	defer _unix_free(rawptr(path_ptr))
 
-	path = strings.clone(string(path_ptr))
-
-	return path, nil
+	return strings.clone(string(path_ptr), allocator)
 }
 
 access :: proc(path: string, mask: int) -> (bool, Error) {
diff --git a/core/os/os_openbsd.odin b/core/os/os_openbsd.odin
index 62872d9dc..3c377968c 100644
--- a/core/os/os_openbsd.odin
+++ b/core/os/os_openbsd.odin
@@ -758,7 +758,7 @@ absolute_path_from_handle :: proc(fd: Handle) -> (string, Error) {
 }
 
 @(require_results)
-absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
+absolute_path_from_relative :: proc(rel: string, allocator := context.allocator) -> (path: string, err: Error) {
 	rel := rel
 	if rel == "" {
 		rel = "."
@@ -773,9 +773,7 @@ absolute_path_from_relative :: proc(rel: string) -> (path: string, err: Error) {
 	}
 	defer _unix_free(rawptr(path_ptr))
 
-	path = strings.clone(string(path_ptr))
-
-	return path, nil
+	return strings.clone(string(path_ptr), allocator)
 }
 
 access :: proc(path: string, mask: int) -> (bool, Error) {
diff --git a/core/time/datetime/constants.odin b/core/time/datetime/constants.odin
index 003d4fca4..e24709e49 100644
--- a/core/time/datetime/constants.odin
+++ b/core/time/datetime/constants.odin
@@ -85,9 +85,9 @@ TZ_Record :: struct {
 }
 
 TZ_Date_Kind :: enum {
-	NoLeap,
+	No_Leap,
 	Leap,
-	MonthWeekDay,
+	Month_Week_Day,
 }
 
 TZ_Transition_Date :: struct {
diff --git a/core/time/timezone/tz_unix.odin b/core/time/timezone/tz_unix.odin
index 9fe8ff92c..b3ab0d4cc 100644
--- a/core/time/timezone/tz_unix.odin
+++ b/core/time/timezone/tz_unix.odin
@@ -11,7 +11,7 @@ local_tz_name :: proc(allocator := context.allocator) -> (name: string, success:
 	local_str, ok := os.lookup_env("TZ", allocator)
 	if !ok {
 		orig_localtime_path := "/etc/localtime"
-		path, err := os.absolute_path_from_relative(orig_localtime_path)
+		path, err := os.absolute_path_from_relative(orig_localtime_path, allocator)
 		if err != nil {
 			// If we can't find /etc/localtime, fallback to UTC
 			if err == .ENOENT {
@@ -22,11 +22,11 @@ local_tz_name :: proc(allocator := context.allocator) -> (name: string, success:
 
 			return
 		}
-		defer delete(path)
+		defer delete(path, allocator)
 
 		// FreeBSD makes me sad.
 		if path == orig_localtime_path {
-			data := os.read_entire_file("/var/db/zoneinfo") or_return
+			data := os.read_entire_file("/var/db/zoneinfo", allocator) or_return
 			return strings.trim_right_space(string(data)), true
 		}
 
@@ -52,6 +52,8 @@ local_tz_name :: proc(allocator := context.allocator) -> (name: string, success:
 	}
 
 	if local_str == "" {
+		delete(local_str)
+
 		str, err := strings.clone("UTC", allocator)
 		if err != nil { return }
 		return str, true
diff --git a/core/time/timezone/tzdate.odin b/core/time/timezone/tzdate.odin
index 672ebbba5..c96f8aab3 100644
--- a/core/time/timezone/tzdate.odin
+++ b/core/time/timezone/tzdate.odin
@@ -38,6 +38,7 @@ region_destroy :: proc(region: ^datetime.TZ_Region, allocator := context.allocat
 }
 
 
+@private
 region_get_nearest :: proc(region: ^datetime.TZ_Region, tm: time.Time) -> (out: datetime.TZ_Record, success: bool) {
 	if len(region.records) == 0 {
 		return process_rrule(region.rrule, tm)
@@ -86,7 +87,7 @@ trans_date_to_seconds :: proc(year: i64, td: datetime.TZ_Transition_Date) -> (se
 	ONE_DAY :: 86_400
 
 	#partial switch td.type {
-	case .MonthWeekDay:
+	case .Month_Week_Day:
 		year_start := datetime.DateTime{{year, 1, 1}, {0, 0, 0, 0}, nil}
 		year_start_time := time.datetime_to_time(year_start) or_return
 
@@ -115,7 +116,8 @@ trans_date_to_seconds :: proc(year: i64, td: datetime.TZ_Transition_Date) -> (se
 
 	return
 }
-
+ 
+@private
 process_rrule :: proc(rrule: datetime.TZ_RRule, tm: time.Time) -> (out: datetime.TZ_Record, success: bool) {
 	if !rrule.has_dst {
 		return datetime.TZ_Record{
diff --git a/core/time/timezone/tzif.odin b/core/time/timezone/tzif.odin
index dce54a4e7..609cbda73 100644
--- a/core/time/timezone/tzif.odin
+++ b/core/time/timezone/tzif.odin
@@ -282,7 +282,7 @@ parse_posix_rrule :: proc(str: string) -> (out: datetime.TZ_Transition_Date, idx
 		}
 
 		return datetime.TZ_Transition_Date{
-			type   = .NoLeap,
+			type   = .No_Leap,
 			day    = u16(day),
 			time   = offset,
 		}, i, true
@@ -350,7 +350,7 @@ parse_posix_rrule :: proc(str: string) -> (out: datetime.TZ_Transition_Date, idx
 		}
 
 		return datetime.TZ_Transition_Date{
-			type   = .MonthWeekDay,
+			type   = .Month_Week_Day,
 			month  = u8(month),
 			week   = u8(week),
 			day    = u16(day),
diff --git a/tests/core/time/test_core_time.odin b/tests/core/time/test_core_time.odin
index 281b2289a..93bc73789 100644
--- a/tests/core/time/test_core_time.odin
+++ b/tests/core/time/test_core_time.odin
@@ -455,7 +455,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		std_name   = "EST",
 		std_offset = -(5 * 60 * 60),
 		std_date   = dt.TZ_Transition_Date{
-			type   = .MonthWeekDay,
+			type   = .Month_Week_Day,
 			month  = 3,
 			week   = 2,
 			day    = 0,
@@ -465,7 +465,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		dst_name   = "EDT",
 		dst_offset = -(4 * 60 * 60),
 		dst_date   = dt.TZ_Transition_Date{
-			type   = .MonthWeekDay,
+			type   = .Month_Week_Day,
 			month  = 11,
 			week   = 1,
 			day    = 0,
@@ -484,7 +484,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		std_name   = "IST",
 		std_offset = (2 * 60 * 60),
 		std_date   = dt.TZ_Transition_Date{
-			type   = .MonthWeekDay,
+			type   = .Month_Week_Day,
 			month  = 3,
 			week   = 4,
 			day    = 4,
@@ -494,7 +494,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		dst_name   = "IDT",
 		dst_offset = (3 * 60 * 60),
 		dst_date   = dt.TZ_Transition_Date{
-			type   = .MonthWeekDay,
+			type   = .Month_Week_Day,
 			month  = 10,
 			week   = 5,
 			day    = 0,
@@ -513,7 +513,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		std_name   = "WART",
 		std_offset = -(4 * 60 * 60),
 		std_date   = dt.TZ_Transition_Date{
-			type   = .NoLeap,
+			type   = .No_Leap,
 			day    = 1,
 			time   = 0 * 60 * 60,
 		},
@@ -521,7 +521,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		dst_name   = "WARST",
 		dst_offset = -(3 * 60 * 60),
 		dst_date   = dt.TZ_Transition_Date{
-			type   = .NoLeap,
+			type   = .No_Leap,
 			day    = 365,
 			time   = 25 * 60 * 60,
 		},
@@ -538,7 +538,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		std_name   = "WGT",
 		std_offset = -(3 * 60 * 60),
 		std_date   = dt.TZ_Transition_Date{
-			type   = .MonthWeekDay,
+			type   = .Month_Week_Day,
 			month  = 3,
 			week   = 5,
 			day    = 0,
@@ -548,7 +548,7 @@ test_check_timezone_posix_tz :: proc(t: ^testing.T) {
 		dst_name   = "WGST",
 		dst_offset = -(2 * 60 * 60),
 		dst_date   = dt.TZ_Transition_Date{
-			type   = .MonthWeekDay,
+			type   = .Month_Week_Day,
 			month  = 10,
 			week   = 5,
 			day    = 0,