This very simple class makes it possible to convert unix timestamp into UTC gregorian date.
It has been tested against all possible 32bits-integers. I've been asked to write this class to apply for a job position and after I saw many people trying to find a way to make this conversion, I thought it might help people to use it.
Work on any platform with a ANSI compiler.
If you need some more functionality, I advise you the BOOST lib. Forget about the standards mktime, localtime/gmtime.