In most cases the best locale to choose is "en_US_POSIX", a locale that's specifically designed to yield US English results regardless of both user and system preferences.
Observed changes are dispatched to the observer’s object Observe Value(NSString, NSObject, NSDictionary, Int Ptr) method.
If you care about such things, you’ll need to account for it in your source code.
You should probably account for the user’s current time zone if you want the displayed time to match a value you get from here.
Next, it creates a standard date formatter for rendering the date as a string to display to the user.
Date Tools is the parent project and Matthew York is the project head. Please visit https://github.com/Matthew York/Date Tools This repo is here in archive form.