Key for the value that specifies how dates with times are printed, affecting strings that use the format specifiers %c, %X, or %x. (Deprecated. Use the appropriate API from NSDateFormatter instead—see Data Formatting Guide.)
The default is to use full month names and days with a 24-hour clock, as in "Sunday, January 01, 2001 23:00:00 Pacific Standard Time."
Available in Mac OS X v10.0 and later.
Declaration Syntax Version Information- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)