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Hebrew Date Converter

Instantly convert dates between the Gregorian and Hebrew (Jewish) calendar. Includes holidays, Torah portion, and sunset support.

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Understanding the Hebrew Calendar

The Hebrew calendar (לוח העברי) is a lunisolar calendar used for Jewish religious observances, holidays, and daily life in Israel. Unlike the purely solar Gregorian calendar, the Hebrew calendar is based on both the moon's monthly cycle and the sun's annual cycle. This is why Jewish holidays like Passover and Rosh Hashanah fall on different Gregorian dates each year.

Our Hebrew Date Converter gives you an instant, accurate translation between both systems, powered by the trusted Hebcal API.

The Day Begins at Sunset

The Jewish day begins at sunset, not at midnight. This comes from Genesis 1:5: "And there was evening, and there was morning — one day." If an event happens after sundown, you need to tick the "after sunset" checkbox to get the correct Hebrew date.

Leap Years and Adar II

Instead of adding a leap day, the Hebrew calendar adds an entire leap month: Adar I (followed by Adar II). This happens 7 times every 19 years to keep the lunar calendar aligned with the solar seasons, ensuring Passover always falls in spring.

What Are Jewish Holidays?

Jewish holidays include major observances like Rosh Hashanah (Jewish New Year), Yom Kippur (Day of Atonement), Passover, and Hanukkah, as well as minor holidays and fast days. Our converter automatically surfaces which holiday or Torah portion falls on any given date so you never miss an important date.

Frequently Asked Questions

The Hebrew year is counted from the Biblical creation of the world (Anno Mundi). To find the approximate Hebrew year, add 3,761 to the Gregorian year — for example, 2024 + 3761 = 5785. The Hebrew year begins in September or October (on Rosh Hashanah), so the Hebrew year straddles two Gregorian years.
This is the sunset rule. If someone was born at 9:00 PM on a Tuesday, their Hebrew birthday is actually Wednesday — because the new Hebrew day began at sunset on Tuesday. Tick the "Convert after sunset" checkbox to get the correct date.
Yes. Our tool uses the Hebcal API which provides the weekly Torah reading (Parashat HaShavua) for Diaspora communities, along with any major or minor Jewish holidays that fall on the converted date.
Simply enter your Gregorian birth date in the converter above. If you were born after sunset, remember to check the "after sunset" box. The result will show your exact Hebrew birthdate, which you can use to identify your Hebrew birthday each year.

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