Add Events To Apple/Google/Yahoo/MicroSoft Calendars – atcb.js
A JavaScript library that lets you add custom events to popular calendars and automatically generates iCal/ics files for Apple.
Date & Time
Lightweight Accessible Date Picker Component – WC Datepicker
A lightweight, accessible, customizable, multilingual, and framework-agnostic date picker & date range picker component written in pure JavaScript (TypeScript).
Human-Friendly Time Ago Text in Vanilla JS – humantime-js
Add human-friendly time text to comments, dashboards, and blog metadata with the small humantime-js library.
Generate Event Calendar Links For Google, Yahoo And Outlook – calendar-link
Automatically generates calendar links from events you provide so that you can add the events to the Google Calendar, Yahoo Calendar, Microsoft Outlook, Office 365, and icalendar.
Qrono: JavaScript Date Manipulation with DST Support
Handle date-only values, immutable date math, UTC parsing, and DST transitions with the Qrono JavaScript library.
Handling Timezone In JavaScript – Spacetime
Spacetime is a pure JavaScript library used to manipulate, traverse, compare, and format dates and times across planet Earth.
Google Material Inspired Time Picker Component – timepicker-ui
A vanilla JavaScript library to create a customizable, beautiful, mobile-friendly time picker component inspired by Google Material design system.
Simple & Clean Analog Clock JS Library – Clock.js
A simple Analog Clock for the web, built with JavaScript and CSS3. Customize timezones and display options easily.
Lightweight Accessible Datepicker Calendar Component – DateDreamer
An easy, lightweight, and accessible date picker & calendar component written in Vanilla JavaScript.
Generate A Clean Calendar For Any Month And Year – Calendar.js
A tiny JavaScript library for generating a calendar UI based on the year and month you specify.