Instance Method
secondsFromGMT(for:)
iOS 8.0+
iPadOS 8.0+
Mac Catalyst 8.0+
macOS 10.10+
tvOS 9.0+
watchOS 2.0+
The current difference in seconds between the time zone and Greenwich Mean Time.
func secondsFromGMT(for date: Date = Date()) -> IntParameters
dateThe date to use for the calculation. The default value is the current date.