Structure used to represent a time interval in Gregorian units.
- iOS 2.0–8.0Deprecated
- macOS 10.4–10.10Deprecated
- Mac Catalyst 13.0–13.0Deprecated
- tvOS 9.0–9.0Deprecated
- watchOS 2.0–2.0Deprecated
- Core Foundation
A CFGregorianUnits is used to represent arbitrary time intervals (to represent a point in time using Gregorian units, use a
CFGregorian). Each field can take values up to the maximum possible for its data type. Negative values are also valid.