jQuery Calendar is widely used among developers and is one of the most important parts of web designing. Building a website using these open source jQuery plugins is really simple. Here are 15 useful jQuery Calendar and date picker plugins for web designing.

jQuery Plugin for Calendar and Datepicker
1 FullCalendar
FullCalendar is a highly customizable and open source jQuery Calendar plugin for displaying events on a full-sized calendar. it offers a drag-n-drop user interface to change events easily on the calendar. Beyond dragging an event to a different time/day, you cannot change an event’s name or other associated data. It is up to you to add this functionality through Full Calendar’s event hooks. – FullCalendar
2 Calendario
Calendario is a jQuery calendar plugin for creating flexible calendars. The calendar designs are based on these two beauties found on Dribbble. Calendars can be a very tricky thing when it comes to their layout and responsiveness. This is an experiment for trying out some grid layouts that can be applied to calendars. – Calendario
3 CLNDR.js
CLNDR is a simple jQuery calendar plugin for creating calendars. Unlike most calendar plugins, this one doesn’t generate markup. Instead, you provide an Underscore.js HTML template and in return, CLNDR gives you a wealth of data to use within it. – CLNDR.js
4 Zabuto Calendar
Zabuto Calendar is a jQuery calendar plugin for Bootstrap that lets you add a monthly calendar to your web page. You can customize the display of the calendar and view it in several languages. You are also able to show calendar events by using an AJAX request with JSON data and add a legend. You can add a function to the calendar to execute when the onclick event is triggered on a specific day. – Zabuto Calendar
5 Jalendar 2 Calendar Pack
Jalendar2 is a premium calendar plugin pack created with a JavaScript library. Jalendar offers you 4 different calendar options. You can list your events, you can link to days, you can use Jalendar Selector for date selecting and you can use Jalendar Range for range selecting on the calendar. – Jalendar 2
6 glDatePicker
glDatePicker is an ultra-simple, customizable, light-weight date picker and calendar plug-in for jQuery. Easy to stylize current date, selected date, special dates, and individual days of the week. – glDatePicker
7 Date Paginator
Date Paginator is a jQuery plugin that takes Twitter Bootstrap’s already great pagination component and injects a bit of date-based magic. In the process of creating a hugely simplified and modularized way of paging date-based results in your application. Dates are selectable, scrollable and with the optional calendar select option thanks to eternicode’s bootstrap-date picker, you can easily jump to any calendar date. – Bootstrap Date Paginator
8 Datetator
Datetator is a jQuery-based replacement for input boxes, making them date pickers. It affects the original input box directly, which is used as the data container. – Datetator
9 jquery.filthypillow
jquery.filthypillow is a fancy and small calendar and date-time picker. – jquery.filthypillow
10 Datepair.js
Datepair.js is a lightweight, modular JavaScript plugin for intelligently selecting date and time ranges, inspired by Google Calendar. It will keep the start and end date/times in sync and can set default values based on user action. – Datepair.js
11 jQuery Date Range Picker
jQuery Date Range Picker is a jQuery plugin that allows users to select a date range. – Date Range Picker
12 jqm calendar
jqm calendar is a simple iOS-style calendar plugin for jQuery Mobile for both showing activities or picking dates. Events are showed with a bullet point on the date, and when the date is picked, the date appears with its summary in the list. – jqm calendar
13 PickMeUp
PickMeUp is a really simple, powerful, and customizable jQuery date picker. – PickMeUp
14 pickadate
Pickadate is a mobile-friendly, responsive, and lightweight jQuery date & time input picker. – pickadate
15 JalaliJSCalendar
JalaliJSCalendar is a JavaScript date-picker and calendar widget based on “Dynarch DHTML Calendar” from Mihai Bazon. The main difference between the two is that JalaliJSCalendar supports the Persian (AKA Hijri Shamsi) calendar too, which is the official Iranian calendar. – JalaliJSCalendar