For three months ago I added Chuvash localization of moment.js. For 16 days ago moment.js 1.7.0 was officially released which included the Chuvash translation.

Wait a sec… What is moment.js?

moment.js is the best datetime tool for javascript. It supports many languages (now even Chuvash) for displaying date and time. Another very handy functionality is showing relative time which has a simple interface: fromNow(). Here is a simple example from a web browser console: