Document Revision History
This table describes the changes to Date and Time Programming Guide.
|2013-04-23||Clarified week and year calendar date component usage.|
|2011-06-06||Expanded Calendrical Calculations section. Added Historical Dates Section and Week-Based Year Section.|
|2010-02-24||Corrected code snippet.|
|2009-07-21||Added links to Cocoa Core Competencies.|
|2008-07-03||Moved information about NSCalendarDate to an appendix, rewrote articles to replace references to NSCalendarDate, and expanded content.|
Added a section about how to get date components using NSCalendar and NSDateComponents and a section about how to convert from one calendar to another.
Removed information about converting a date to a string. See NSDateFormatter Class Reference for that information.
|2007-09-04||Enhanced discussion of calendrical calculations using NSDateComponents.|
|2007-03-06||Added note regarding Julian and Gregorian calendars.|
|2006-05-23||Corrected typographical errors. Added a note about the use of width specifiers for calendar date format strings.|
|2006-02-07||Updated to include NSCalendar and NSDateFormatter changes introduced in OS X v10.4.|
|2005-08-11||Changed title from "Dates and Times." Corrected minor typographic error.|
Revision history was added to existing document. It will be used to record changes to the content of the document.
© 2002, 2013 Apple Inc. All Rights Reserved. (Last updated: 2013-04-23)