Re: Calculate next occurrence of a NSDate
Re: Calculate next occurrence of a NSDate
- Subject: Re: Calculate next occurrence of a NSDate
- From: Conrad Shultz <email@hidden>
- Date: Thu, 30 Dec 2010 20:11:55 -0800
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Tom Jones wrote:
> Hello,
> I'm trying to calculate next occurrence of a NSDate object. Based on a "Start Date" ( e.g. 2010-12-10, Friday ) I would like to know the date of the next Friday occurrence from today ( e.g. 2010-12-30, Thursday ).
>
> Example:
> StartDate = 2010-12-10
> CurrentDate = 2010-12-30
> Next Occurrence = 2010-12-31 <-Answer
>
> I have not done this before so I'm not sure how to tackle this.
Don't think you can do it (at least easily) with NSDate alone.
See
http://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/DatesAndTimes/DatesAndTimes.html
and, in particular, the sections on "Calendars, Date Components, and
Calendar Units" and the section on "Calendrical Calculations."
- --
Conrad Shultz
Synthetiq Solutions
www.synthetiqsolutions.com
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