How can I visualize the way various DateTime formats will display?

Question

I want to be able to quickly reference how various DateTime formats will appear, rather than embark upon a laborious process of edit, compile, gawk, and recurse until satisf

Answer 1

DateTime.Now.ToString("D") displays "Wednesday, July 18, 2012"
DateTime.Now.ToString("d") displays "7/18/2012"
DateTime.Now.ToString("F") displays "Wednesday, July 18, 2012 3:57:13 PM"
DateTime.Now.ToString("f") displays "Wednesday, July 18, 2012 3:57 PM"
DateTime.Now.ToString("G") displays "7/18/2012 3:57 PM"
DateTime.Now.ToString("g") displays "7/18/2012 3:57:30 PM"
DateTime.Now.ToString("M") displays "July 18"
DateTime.Now.ToString("R") displays "Wed, 18 Jul 2012 15:57:55 GMT"
DateTime.Now.ToString("s") displays "2012-07-18T15:58:02"
DateTime.Now.ToString("T") displays "3:56:38 PM"
DateTime.Now.ToString("t") displays "3:56 PM"
DateTime.Now.ToString("U") displays "Wednesday, July 18, 2012 10:58:09 PM"
DateTime.Now.ToString("u") displays "2012-07-18 15:58:17Z"
DateTime.Now.ToString("Y") displays "July, 2012"
DateTime.Now.ToString("42") displays "42"