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Re: 24-hour default
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Re: 24-hour default


  • Subject: Re: 24-hour default
  • From: Chuck Soper <email@hidden>
  • Date: Sun, 23 Oct 2005 10:10:25 -0700

At 10:13 AM -0400 10/19/05, Raffael Cavallaro wrote:
On Oct 19, 2005, at 3:08 AM, Chuck Soper wrote:

I believe that I need to determine if the current locale uses a 24-hour time format or not.


Actually, you need to determine what the individual user's preferences for 12/24 hour clock are since the user can set this option in the Date and Time System Preferences panel regardless of what the default is for the locale.


regards,

Ralph

The option for the 12/24 hour clock in Date & Time System Preferences panel changes when the locale is changed. Because of that I believe that an application should read the 12/24 hour default from the locale rather than the Date & Time System Preferences panel.


I think that this is a judgement call for each application developer because, as far as I can tell, this is not clearly documented. When searching the list archives I noticed a number of posts trying to determine how to detect 24 hour defaults.

Also, I believe that under 10.3.x NSTimeFormatString was updated and maintained in NSGlobalDomain, but it is not under 10.4.x.

Chuck
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References: 
 >24-hour default (From: Chuck Soper <email@hidden>)
 >Re: 24-hour default (From: Raffael Cavallaro <email@hidden>)

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