NSDate Class Reference

Inherits from NSObject Conforms to NSCopying
NSSecureCoding
NSObject (NSObject) Framework /System/Library/Frameworks/Foundation.framework Availability Available in iOS 2.0 and later. Declared in NSDate.h Companion guides Date and Time Programming Guide
Property List Programming Guide Related sample code MVCNetworking TableView Fundamentals for iOS TopSongs URLCache XMLPerformance

Creating and Initializing Date Objects

• + date
• + dateWithTimeIntervalSinceNow:
• + dateWithTimeInterval:sinceDate:
• + dateWithTimeIntervalSinceReferenceDate:
• + dateWithTimeIntervalSince1970:
• C init
• C initWithTimeIntervalSinceNow:
• C initWithTimeInterval:sinceDate:
• C initWithTimeIntervalSinceReferenceDate:
• C initWithTimeIntervalSince1970:
  

  Getting Temporal Boundaries

  • + distantFuture
  • + distantPast
    

    Comparing Dates

    • C isEqualToDate:
    • C earlierDate:
    • C laterDate:
    • C compare:
      

      Getting Time Intervals

      • C timeIntervalSinceDate:
      • C timeIntervalSinceNow
      • + timeIntervalSinceReferenceDate
      • C timeIntervalSinceReferenceDate
      • C timeIntervalSince1970
        

        Adding a Time Interval

        • C dateByAddingTimeInterval:
        • C addTimeInterval: Deprecated in iOS 4.0
          

          Representing Dates as Strings

          • C description
          • C descriptionWithLocale:

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