fix: remove fallback to default time zone (#706)

Author: mattjohnsonpint

CHANGELOG.md

@@ -2,11 +2,11 @@
 
 ## UNRELEASED
 
-- chore: update api-explorer to react 19 [#700](https://github.com/hypermodeinc/modus/pull/700)
-
 - fix: resolve warning in `deserializeRawMap` [#692](https://github.com/hypermodeinc/modus/pull/692)
 - fix: add json serialization support for neo4j sdk types
   [#699](https://github.com/hypermodeinc/modus/pull/699)
+- chore: update api-explorer to react 19 [#700](https://github.com/hypermodeinc/modus/pull/700)
+- fix: remove fallback to default time zone [#706](https://github.com/hypermodeinc/modus/pull/706)
 
 ## 2025-01-09 - CLI 0.16.6
 

runtime/hostfunctions/system.go

@@ -61,11 +61,11 @@ func GetTimeInZone(ctx context.Context, tz *string) *string {
 		loc = timezones.GetLocation(tz)
 	}
 
-	if loc != nil {
-		now = now.In(loc)
+	if loc == nil {
+		return nil
 	}
 
-	s := now.Format(time.RFC3339Nano)
+	s := now.In(loc).Format(time.RFC3339Nano)
 	return &s
 }