e-calendar is a jQuery plugin for creating a calendar with events. It's so easy to use.
Rome is a dependency free, opt-in UI, customizable date and time picker.
ClockPicker is a clock-style timepicker for Bootstrap (or jQuery).
Datepick is a jQuery plugin that attaches a popup calendar to your input fields or shows an inline calendar for selecting individual dates or date ranges.
A nice tutorial about "Creating a Flippin’ 3D Countdown with CSS & JavaScript".
Datepair is a jQuery plugin for intelligently selecting date and time ranges inspired by Google Calendar
DateTime Picker is a responsive flat design jQuery based datetime picker for web & mobile. Users can change values using +/- buttons or type values directly into the textbox by selecting each value fields.
For web, picker can be binded relative to reference element, were it will appear at the bottom of the element. For mobile, the picker can appear as a dialog box covering entire window.
Pikaday is a lightweight Javascript datepicker with no dependencies. Pikaday does not require jQuery, however there is a jQuery plugin version too.
kalendar is a jQuery plugin that helps you display a calendar with events, both Google Calendar and custom, on your website.
Features
flipCountDown is a jQuery clock / timer / countdown plugin in retro flip-count down style.
For sizing, it's possible to use Bootstrap sizes notation.
Reading Time is a simple, lightweight jQuery plugin used to display an estimated time to read some text.
PickMeUp is a simple, lightweight, powerful and customizable datepicker.
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.
DateTimePicker is a jQuery plugin to unobtrusively add a datetimepicker, datepicker or timepicker dropdown to your forms.
A JavaScript library for globalization and localization. Enables complex culture-aware number and date parsing and formatting, including the raw culture information for hundreds of different languages and countries, as well as an extensible system for localization.