Instance Property

timeIntervalSinceReferenceDate

The interval between the date object and 00:00:00 UTC on 1 January 2001.

Declaration

var timeIntervalSinceReferenceDate: TimeInterval { get }

Discussion

This property’s value is negative if the date object is earlier than the system’s absolute reference date (00:00:00 UTC on 1 January 2001).

See Also

Getting Time Intervals

func timeIntervalSince(Date) -> TimeInterval

Returns the interval between the receiver and another given date.

var timeIntervalSinceNow: TimeInterval

The interval between the date object and the current date and time.

var timeIntervalSince1970: TimeInterval

The interval between the date object and 00:00:00 UTC on 1 January 1970.

class var timeIntervalSinceReferenceDate: TimeInterval

The interval between 00:00:00 UTC on 1 January 2001 and the current date and time.

var NSTimeIntervalSince1970: Double

The number of seconds from 1 January 1970 to the reference date, 1 January 2001.