Some of the features:
- 12-hour or 24-hour clock
- custom date/time format (countless possibilities, including JSON and XML)
- date-only, time-only, or specific fields!
- date/time range limits
- UTC offsets/time zones
- create multiple pickers at once
- custom CSS styles
- and much more
Any+Time has been tested with Chrome 4.1, Firefox 3.6, Internet Explorer 8.0, Opera 10.51 and Safari 4.0.