Our mission at Hebcal.com is to increase awareness of Jewish holidays and to help Jews to be observant of the mitzvot. You can embed Hebcal.com content directly onto your synagogue website with our JavaScript, JSON and RSS APIs.

Because content on this site is licensed under a Creative Commons Attribution 3.0 License, you don’t need to get permission from us.

Easy integrations

Shabbat Times – create custom HTML tags to add weekly Shabbat candle-lighting times and Torah portion directly on your synagogue’s website

Today’s Hebrew Date – a simple script to display only today’s date in Hebrew or in English transliteration

Jewish Calendar – display a monthly Jewish calendar on your synagogue’s website

Customizing Yahrzeit, Birthday and Anniversary Calendar for your website


Shabbat Times WordPress widget – add Torah portion, candle lighting and havdalah times to your WordPress-powered site.

RSS feeds – integrate Hebrew date, Parsahat ha-Shavua, or candle lighting times into any content management system supporting RSS.


Hebrew Date Converter REST API – for converting between Gregorian and Hebrew dates (XML + JSON).

Jewish calendar REST API – a JSON interface for fetching Jewish calendar data (holidays, Torah readings, candle lighting times, etc).

Shabbat Times REST API – a JSON version of our easy-to-use Shabbat Times HTML widget.

hebcal/dotcom Source Code – Perl and PHP code, released under a mixture of BSD and GPL Licenses.

hebcal/hebcal-js Source Code – JavaScript implementation of Hebcal engine, released under GPL License.

Open Source Judaism

Learn more about the Open Source Judaism movement.