Day.js is a minimalist JavaScript library that parses, validates, manipulates, and displays dates and times for modern browsers with a largely Moment.js-compatible API. If you use Moment.js, you already know how to use Day.js.

Parse, validate, manipulate, and display dates and times in JavaScript.

Paged.js is a free and open-source library that paginates any HTML content to produce beautiful print-ready PDF. The library fragments the content, reads your CSS print declarations and presents a paginated preview in your browser that you can save as PDF.