Moment.JS

Posted at





momentjs.com
Parse, validate, manipulate, and display dates in javascript, easily.

supports diff. calculation, relative time verbosity ("before T minutes"), all this with multi-languages support too.

documentation area


plus, they use some lovely variation of NodeUnit for unit tests, one file-er, which is a really nice customization!
http://momentjs.com/tests/ ->
http://momentjs.com/static/js/core-test.js