Lightweight Date & Time Manipulation Library – dayjs
dayjs is a blazing-fast, ultra light (2kb) alternative to the moment.js library that helps you parse, validate, manipulate, and display dates and times in pure JavaScript.
Date & Time
Elegant Accessible Date Range Picker In JavaScript – Hotel Datepicker
A simple, flexible, customizable, accessible, and multilingual date range picker written in pure JavaScript.
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.
Convert Human-readable Duration Strings to Milliseconds
Convert timeout strings to milliseconds in JavaScript. Handles “2 days 5 hours” format. Perfect for cache TTLs and rate limits.
Human-friendly Relative Time Formatter – human-time
A zero-dependency JavaScript library that converts timestamps into human-readable formats like “just now” or “3 days ago” for modern apps.
Simple Multilingual Calendar Component With Vanilla JavaScript
A tiny clean calendar in Vanilla JavaScript. Key features include custom holidays, multiple date selection, inbuilt language support, and minified size of only 9kb.
Handle Holidays in JavaScript With Ease – best-holiday
A lightweight JavaScript library for holiday handling. Add holiday functionality to your web apps with ease.
Vanilla JS Date & Time Picker for Moderb Web Apps – Tuncxys DatePicker
Vanilla JavaScript date and time picker with 20 languages, custom themes, and smart validation. Zero dependencies required.
Versatile Datetime Picker For Bulma – bulma-calendar
A responsive, customizable, and feature-rich Date & Time picker component for Bulma framework.
Handling Timezone In JavaScript – Spacetime
Spacetime is a pure JavaScript library used to manipulate, traverse, compare, and format dates and times across planet Earth.