Convert Epoch Unix Timestamp Into A Human Readable Format – timeago.js
A tiny (~600byte minified) Javascript library makes it easy to convert a valid Unix Timestamp (Epoch) into a human-readable string.
Date & Time
Tiny Relative Time (Timeago) JavaScript Library – Lately.js
A super tiny (~ 1kb) and blazing fast timeago library that automatically shortens the Datetime (ISO 8601) into relative time (how long ago).
Flat Style JavaScript Date Picker – flatpickr
flatpickr is a powerful and customizable JavaScript library which enables the visitor to pick a date/time/date range from a calendar.
Visualize Your Day As 144 Rectangles – Rectangles
Use JavaScript and CSS flexbox/grid to break your day down into smaller pieces: 10-minute blocks.
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.
Basic Countdown Timer In Plain JavaScript – Countdown.js
A simple, lightweight JavaScript library for displaying countdown timers on the web page.