Function

CFTimeZoneGetNextDaylightSavingTimeTransition(_:_:)

Returns the time in a given time zone of the next daylight saving time transition after a given time.

Declaration

func CFTimeZoneGetNextDaylightSavingTimeTransition(_ tz: CFTimeZone!, _ at: CFAbsoluteTime) -> CFAbsoluteTime

Parameters

tz

The time zone to analyze.

at

A time in tz.

Return Value

The time in tz of the next daylight saving time transition after at.

See Also

Getting Daylight Savings Time Information

func CFTimeZoneIsDaylightSavingTime(CFTimeZone!, CFAbsoluteTime) -> Bool

Returns whether or not a time zone is in daylight savings time at a specified date.

func CFTimeZoneGetDaylightSavingTimeOffset(CFTimeZone!, CFAbsoluteTime) -> CFTimeInterval

Returns the daylight saving time offset for a time zone at a given time.