StructureFoundationEssentials

Calendar.RecurrenceRule

iOS 18.0+ iPadOS 18.0+ Mac Catalyst 18.0+ macOS 15.0+ tvOS 18.0+ watchOS 11.0+

A rule which specifies how often an event should repeat in the future

struct RecurrenceRule

Topics

var calendar: Calendar
The calendar in which the recurrence occurs
var daysOfTheMonth: [Int]
On which days in the month the event should occur
var daysOfTheYear: [Int]
On which days of the year the event may occur.
var end: Calendar.RecurrenceRule.End
For how long the event repeats
var frequency: Calendar.RecurrenceRule.Frequency
How often the event repeats
var hours: [Int]
On which hours of a 24-hour day the event should repeat.
var interval: Int
At what interval to repeat
var matchingPolicy: Calendar.MatchingPolicy
What to do when a recurrence is not a valid date
var minutes: [Int]
On which minutes of the hour the event should repeat. Accepts values between 0 and 59
var months: [Calendar.RecurrenceRule.Month]
On which months the event should occur.
var repeatedTimePolicy: Calendar.RepeatedTimePolicy
What to do when there are multiple recurrences occurring at the same time of the day but in different time zones due to a daylight saving transition.
var seconds: [Int]
On which seconds of the minute the event should repeat. Valid values between 0 and 60
var setPositions: [Int]
Which occurrences within every interval should be returned
var weekdays: [Calendar.RecurrenceRule.Weekday]
On which days of the week the event should occur
var weeks: [Int]
On which weeks of the year the event should occur.