---
title: CFTimeZoneCopySystem()
framework: corefoundation
role: symbol
role_heading: Function
path: corefoundation/cftimezonecopysystem()
---

# CFTimeZoneCopySystem()

Returns the time zone currently used by the system.

## Declaration

```swift
func CFTimeZoneCopySystem() -> CFTimeZone!
```

## Return Value

Return Value A time zone representing the time zone currently used by the system, or the GMT time zone if the current zone cannot be determined. Ownership follows the The Create Rule.

## See Also

### System and Default Time Zones and Information

- [CFTimeZoneCopyAbbreviationDictionary()](corefoundation/cftimezonecopyabbreviationdictionary().md)
- [CFTimeZoneCopyAbbreviation(_:_:)](corefoundation/cftimezonecopyabbreviation(_:_:).md)
- [CFTimeZoneCopyDefault()](corefoundation/cftimezonecopydefault().md)
- [CFTimeZoneSetDefault(_:)](corefoundation/cftimezonesetdefault(_:).md)
- [CFTimeZoneCopyKnownNames()](corefoundation/cftimezonecopyknownnames().md)
- [CFTimeZoneResetSystem()](corefoundation/cftimezoneresetsystem().md)
- [CFTimeZoneSetAbbreviationDictionary(_:)](corefoundation/cftimezonesetabbreviationdictionary(_:).md)
