1kb Relative Datetime Formatting Library – timeago.js
A super tiny (less than 1kb) time ago (also called relative time) JavaScript library.
JavaScript & CSS relative time
Lightweight Human Readable Date & Time Library – timeago.js
timeago.js is a lightweight and pure JavaScript version of the familiar jQuery timeago plugin that allows to parse and format dates & times using natural language like ‘5 minutes ago’.
Compare The Data Difference Between Two Dates – js-time-diff
js-time-diff is a JavaScript library that compares the difference between two dates and outputs the human-friendly relative dates and times.
Convert UNIX Timestamp To Date In JavaScript – TimeElement.js
TimeElement.js is a lightweight and simple-to-use JavaScript based UNIX Timestamp converter that converts the UNIX timestamps to human-readable dates.