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Hebrew Birthday Calculator
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Find Your Hebrew Birthday
In the Jewish tradition, your birthday follows the lunar Hebrew calendar, not the secular Gregorian calendar. This means your Jewish birthday falls on a different secular date every year. Our Hebrew Birthday Calculator helps you discover your true Hebrew birth date.
Why does Sunset Matter?
In the Jewish calendar, the day begins at sundown, not midnight. If you were born after sunset, your Hebrew birthday is effectively the *next* day relative to the secular calendar. Make sure to check the "Born after sunset" box if this applies to you for an accurate conversion.
help Frequently Asked Questions
What is Adar I and Adar II?
The Hebrew calendar is a lunisolar calendar. To keep it aligned with the seasons, a leap month (Adar I) is added 7 times every 19 years.
Do I celebrate on the Hebrew date?
Many people observe both! However, for religious purposes like a Bar Mitzvah or Yahrzeit, the Hebrew date is the one that counts.