Hebrew Calendar

The Hebrew Calendar is a lunisolar calendar used for Jewish religious observances, determining dates for holidays, festivals, and lifecycle events. It combines lunar months with solar years through a complex system of intercalation, ensuring alignment with agricultural seasons and religious requirements. Unlike the Gregorian calendar, it counts years from the traditional date of creation according to Jewish tradition.

Also known as: Jewish Calendar, Lunisolar Calendar, Hijri Calendar (common confusion), Hebrew Date System, Jewish Religious Calendar

Why learn Hebrew Calendar?

Developers should learn about the Hebrew Calendar when building applications for Jewish communities, religious organizations, or global scheduling systems that require accurate date conversions for holidays like Passover or Rosh Hashanah. It's essential for creating culturally sensitive software, such as event planners, calendar apps, or educational tools that handle Jewish dates, and for integrating with other calendar systems in international contexts.

Learning Resources

• docs: Hebrew Calendar - Wikipedia
• tutorial: Jewish Calendar Explained - My Jewish Learning
• docs: Hebrew Calendar Calculations - Hebcal
• course: Introduction to the Hebrew Calendar - Coursera (via University of Pennsylvania)
• tutorial: Hebrew Calendar Programming Guide - Stack Overflow