UnitDuration
A unit of measure for a duration of time.
Declaration
class UnitDurationOverview
You typically use instances of UnitDuration to represent specific quantities of planar angle using the NSMeasurement class.
Duration
Duration is a quantity of time. The SI unit for time is the second (sec), which is defined in terms of the radioactivity of a cesium-133 atom. Duration is also commonly expressed in terms of minutes (min) and hours (hr).
The UnitDuration class defines its baseUnit() as seconds, and provides the following units, which UnitConverterLinear converters initialize with the given coefficients:
Name | Method | Symbol | Coefficient |
|---|---|---|---|
Seconds | sec |
| |
Minutes | min |
| |
Hours | hr |
|