The following shows the various HTML5 date/time widgets in action. Note that at the time of this writing, Opera is the only browser that renders the calendars natively - all the other browsers require html5Widgets. Back to the User Agent Man HTML5 Forms article.

Internet Explorer 6 Retirement Timeline
Retirement Date of IE6 in your Office:
This uses the datetime-local input type
Retirement Date of IE6 in your Company:
This uses the datetime input type. Note the format is slightly different that in datetime-local.
Date You Will Quit If IE6 Remains:
This uses the date input type
Month Your Will Give Notice:
This uses the month input type
Week of Blissful Unemployment:
This uses the week input type