jQuery Date and Time picker

jQuery plugin for date, time, or datetime manipulation in form

The Final Countdown

jQuery plugin to display a countdown clock on your page.

jQuery TimeCircles

TimeCircles is a jQuery plugin that provides a nice looking way to either count down towards a certain time, or to count up from a certain time. The goal for TimeCircles is to provide a simple yet dynamic tool that makes it very easy to provide visitors an attractive countdown or timer.

FilthyPillow

A small and fancy calendar/date-time picker

jquery.formatDateTime

A jQuery plugin that converts a date object to a supplied format. It was forked from the jQuery UI DatePicker module to support time formatting as well as the original date formatting.

jQuery localtime

This plug-in designed to display a time in the correct timezone for the viewer; ideal for international audiences of your web site.

jQuery DatetimeDuck Plugin

Simple, easy and fast plugin that extends JQuery UI date calendar to also have time slider (hour/minutes).