class var hours: UnitDuration
The hour unit of duration.
class var minutes: UnitDuration
The minute unit of duration.
class var seconds: UnitDuration
The second unit of duration.
class var milliseconds: UnitDuration
The millisecond unit of duration.
class var microseconds: UnitDuration
The microsecond unit of duration.
class var nanoseconds: UnitDuration
The nanosecond unit of duration.