Date & Time
Countdown Timer Plugin With Pure JavaScript – TimezZ
This is the standalone version of the jQuery TimezZ plugin that lets you create a customizable countdown timer in days:hours:minutes:seconds format.
Full Year Calendar In JavaScript
A full year calendar that can be used on your website. The calendar was written in pure JavaScript and you can switch between years in an easy way.
Time Zones And UTC Converter In JavaScript – xtz.js
A lightweight, blazing-fast JavaScript library for converting between time zones as well as translating between Relative TimeZone and Absolute UTC.
Human-readable Date Format Web Component – slm-countdown
A tiny web component that converts the amount of time left or passed relative to a specific date into a human-readable format.
Full-featured Calendar JavaScript Library – tui.calendar
tui.calendar is a powerful, full-featured calendar library used to showcase custom events, schedules, tasks in daily, weekly, and monthly views.
Convert Unix Timestamp Into Human-readable Date Format – time-to-readable.js
A JavaScript library that converts the content of an element with the “data-ago” attribute into human-readable format such as xx days ago.
Vanilla JavaScript Date & Date Range Picker For The Web
This is a flexible, powerful, accessible, multi-language, framework-agnostic date & date range picker for modern web design.
Basic Countdown Timer In Plain JavaScript – Countdown.js
Beautiful Date Picker Component – MCDatepicker
A well-designed, fully responsive, highly-customizable, framework-agnostic date & date range picker component written in Vanilla JavaScript.