Instance Property
dayOfYear
iOS 18.0+
iPadOS 18.0+
Mac Catalyst 18.0+
macOS 15.0+
tvOS 18.0+
watchOS 11.0+
A day of the year. For example, in the Gregorian calendar, can go from 1 to 365 or 1 to 366 in leap years.
var dayOfYear: Int? { get set }Discussion
Note
This value is interpreted in the context of the calendar in which it is used.