Earth Calendar. Calendars through the Ages. Calendar Converter. Welcome to Fourmilab's calendar converter!
This page allows you to interconvert dates in a variety of calendars, both civil and computer-related. All calculations are done in JavaScript executed in your own browser; complete source code is embedded in or linked to this page, and you're free to download these files to your own computer and use them even when not connected to the Internet.
To use the page, your browser must support JavaScript and you must not have disabled execution of that language. Let's see… Worldwide events guide and travel inspiration. Computation of Sunrise, Sunset and Twilight Times. Bringing Order to Calendrical Chaos!