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
Developer-friendly Date Picker In Pure JavaScript – thedatepicker
thedatepicker is a simple, customizable, developer-friendly date picker plugin implemented in pure (vanilla) JavaScript.
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.
Vanilla JS Date Picker with Range Selection – EssealDatePicker
Zero‑dependency date picker that works with any framework. Includes min/max dates, custom formatting, and programmatic control.
Accessible Customizable Date/Time/Date Picker for Modern Web App – FDatepicker
An accessible and customizable vanilla JavaScript datepicker with range, multiple select, and timepicker features.
Relative Time Element for Time Ago Text
Format ISO timestamps as localized relative time text with a custom HTML element that auto-updates in the browser.
Full-Featured Drag-and-Drop JavaScript Event Calendar with Resource & Timeline Views
A full-featured JavaScript event calendar library with resource and timeline views, drag-and-drop editing, lazy event fetching, and CSS variable theming.
Persian Jalali & Gregorian Date Picker in Vanilla JS – Azar Datepicker
Add a Jalali or Gregorian date/time picker to any input with Azar Datepicker.
ISO 8601 Date Format: UTC, Timestamps & JavaScript
See ISO 8601 date, time, UTC, offset, and timestamp formats, then format or parse them in JavaScript with native APIs and isoformat.
Elegant Accessible Date Range Picker In JavaScript – Hotel Datepicker
A simple, flexible, customizable, accessible, and multilingual date range picker written in pure JavaScript.