--- title: timeDuration framework: foundation role: symbol role_heading: Type Property path: foundation/formatstyle/timeduration --- # timeDuration A style for formatting a duration expressed as a range of dates. ## Declaration ```swift static var timeDuration: Date.ComponentsFormatStyle { get } ``` ## Discussion Discussion Use this type property when the call point allows the use of Date.FormatStyle. You typically do this when calling the formatted(_:) method of Date. The following example creates a one hour, thirty-five minute range between two dates, then uses SELF to format this duration as a string. let now = Date.now let future = now.addingTimeInterval(95) let dateRange = now..