HebrewCalendarJS is a client-side solution for the Web for calculating and displaying time-based Halakhic information per calendar day.

This open-source project is based upon the following solutions:

1. "KDateJS", "KaluachJS" and "KZmanJS" web site components by KALUACH.COM
2. "Hebcal for Unix" by Danny Sadinoff

HebrewCalendarJS is being released under a GPLv3 license. All other components are being released under their respective licenses.