Returns a date object initialized relative to 00:00:00 UTC on 1 January 1970 by a given number of seconds.
- iOS 4.0+
- macOS 10.6+
- tvOS 9.0+
- watchOS 2.0+
The number of seconds from the reference date (00:00:00 UTC on 1 January 1970) for the new date. Use a negative argument to specify a date and time before the reference date.
NSDate object set to
seconds seconds from the reference date.
This method is useful for creating
NSDate objects from time_t values returned by BSD system functions.