Time zone conversion in C#

Question

I have a date format, something similar to:

Mon, 11 Aug 2009 13:15:10 GMT

How do I convert this to EST format?

Answer 1

var datetime = DateTime.Parse("Sat, 21 Aug 2010 13:15:10 GMT");
TimeZoneInfo estZone = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time");
DateTime estTime = TimeZoneInfo.ConvertTime(datetime, estZone);

EST can mean different times, which do you want: http://en.wikipedia.org/wiki/EST