smartCalendarsmartCalendar is just a neat DHMTL calendar. Driven by style sheet so highly customizable. Can also restict dates entered very easily too. Custom formats of date also available.
Tigra CalendarTigra Calendar - Timestamp Picker is a cross browser JavaScript that makes it easy for your visitors to fill out the date/time field(s) of your form, by selecting the date from a popup calendar. Available in many flavors. Calendar is robust...
Timestamp PickerTimestamp Picker is a JavaScript that makes it easy for your visitors to fill out the date/time field(s) of your form, by selecting the date from a popup calendar. The latest release supports american data format, and includes calendar only version.
Title Bar ClockThis script allows you display a clock on the title bar. This can be useful because it is visible all the time, and not just on the document. It works in MSIE 4.0 but not Netscape.