DATE/TIME OPTIONS:

* 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
* era-selection (BCE/CE, BC/AD, etc.)
* start week on any day (Sunday, Monday, etc.)
* custom base for 2-digit years (1900, 2000, etc.)
* UTC offsets/time zones NEW!

Then peep these STYLING OPTIONS:

* custom labels/languages
* custom CSS styles
* jQuery UI Theming
* jQuery UI Theme Switcher
* jQuery ThemeRoller
* pop-up or always-present picker
* visible or hidden field

It's also PROGRAMMER-FRIENDLY:

* easy to implement
* easy AJAX validation
* easy Date/String conversion, including JSON and XML
* create multiple pickers at once NEW!
* easy removal NEW!
* easy to extend

And let's not forget those USABILITY FEATURES:

* single-click value selection
* double-click select-and-dismiss NEW!
* WAI-ARIA 1.0 keyboard accessibility
* em-based relative-size