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Developer APIs

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.

Content on this site is licensed under a Creative Commons Attribution 4.0 International License. This means that you can use you are free to copy and redistribute the material in any medium or format as long as you give appropriate credit to Hebcal.com.

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

Customizing Yahrzeit, Birthday and Anniversary Calendar for your website.

Intermediate

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

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.

iCalendar feeds – calendar event feeds for many consumer calendar applications such as Google Calendar, Outlook.com, etc.

Advanced

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.

Zmanim API – for calculating halachic times (Alot HaShachar, misheyakir, sof zman Shma, etc).

Yahrzeit + Anniversary API – Generate a list of Yahrzeit (memorial) and Yizkor dates, Hebrew Birthdays and Anniversaries for the next 20 years.

hebcal/hebcal-es6 – JavaScript (ECMAScript 2015) implementation of Hebcal engine, released under GPL License.

Open Source Judaism

Learn more about the Open Source Judaism movement.