Jewish Birthday Calculator

Curious about your meaningful Hebrew birth date? Our intuitive Jewish Birthday Calculator bridges the Gregorian and Hebrew calendars, revealing your exact birth date according to Jewish tradition. Simply enter your Gregorian birth date, and within seconds, receive your Hebrew birth date in both transliterated English and its corresponding Gregorian anniversary date.

This tool is perfect for:
✅ Preparing for Bar/Bat Mitzvah planning
✅ Honoring Jewish traditions for birthday observances
✅ Understanding your spiritual connection to the Hebrew calendar
✅ Accurately determining annual yahrzeit or anniversary dates

Unlike generic converters, our Jewish Birthday Calculator accounts for Hebrew leap years, diaspora observance rules, and the unique structure of Jewish months (Nisan to Adar). Whether you’re reconnecting with heritage or planning a meaningful celebration, this tool ensures precision aligned with rabbinical standards.

Jewish Birthday Calculator

Enter your birthdate to find your Jewish (Hebrew) birthday:


How to Use the Jewish Birthday Calculator

If you’ve ever wondered what your Jewish (Hebrew) birthday is, this simple calculator will help you find out! Unlike the regular (Gregorian) calendar that most of the world follows, the Jewish calendar is based on the lunar cycle. This means that your Jewish birthday might fall on a different date each year in the regular calendar. Let’s walk through how to use this tool and why your Jewish birthday is important.

jewish birthday calculator

Step 1: Enter Your Birthdate

To find your Jewish birthday, start by selecting your birthdate in the calculator. You’ll see a small calendar where you can pick the day, month, and year of your birth. This date should be based on the regular (Gregorian) calendar, the one we use every day.

✔ Example: If you were born on March 10, 1990, enter this date in the box.


Step 2: Click the Button

Once you’ve entered your birthdate, click the “Find Jewish Birthday” button. The calculator will instantly convert your birthdate into the Hebrew calendar format. This process is automatic, so you don’t have to worry about complex calculations!


Step 3: See Your Jewish Birthday

In just a second, your Jewish birthday will appear on the screen! You’ll see the date written in the Hebrew calendar system.

✔ Example: If you were born on March 10, 1990, your Jewish birthday might be Adar 14, 5750.

This means that each year, when your Jewish birthday comes around, it might not be on March 10 in the regular calendar. It will change slightly every year based on the Hebrew calendar system.

Why Is Your Jewish Birthday Important?

Your Jewish birthday is more than just a date—it’s a special moment in time! Here’s why:

📌 Spiritual Significance – In Jewish tradition, birthdays are seen as a time of renewal, reflection, and spiritual growth. It’s a time to celebrate your life and purpose.

📌 Jewish Traditions – Some people choose to light a candle, give charity (Tzedakah), or say special prayers on their Jewish birthday. It’s also a great time to gather with family and friends.

📌 Bar/Bat Mitzvah Date – If you are planning a Bar Mitzvah (for boys at age 13) or a Bat Mitzvah (for girls at age 12), knowing your Hebrew birthday is important. Many families use the Hebrew date for the celebration.

📌 Personal Connection – Many people feel more connected to their Jewish heritage when they celebrate their Hebrew birthday. It’s a way to honor traditions that go back thousands of years.

Comparison of Jewish Birthday Calculator vs. Gregorian Birthday Calculator

Many people know their regular (Gregorian) birthday, but fewer people know their Jewish (Hebrew) birthday. While both calendars mark the same event—your birth—the way they calculate dates is completely different. Below is a simple comparison to help you understand the key differences between the Jewish Birthday Calculator and the Gregorian Birthday Calculator.

FeatureJewish (Hebrew) Birthday CalculatorGregorian Birthday Calculator
Calendar TypeBased on the lunar calendar (months follow moon cycles)Based on the solar calendar (fixed months & days)
Birthday Date Changes?Yes, the Hebrew birthday falls on a different Gregorian date each yearNo, your birthday is always on the same date every year
Example CalculationIf you were born on March 10, 1990, your Jewish birthday might be Adar 14, 5750. Each year, the Hebrew date stays the same, but the regular calendar date shifts.If you were born on March 10, 1990, your birthday will always be on March 10 every year.
Used ForCelebrating Jewish birthdays, Bar/Bat Mitzvah dates, spiritual significanceGeneral birthday celebrations, official documents, government records
Cultural & Religious ImportanceHighly significant in Jewish tradition, used in Torah studies and personal reflectionNo religious connection, simply marks a person’s birthdate
Bar/Bat Mitzvah DateDetermined based on the Hebrew calendar (boys at 13 and girls at 12)Not used for Bar/Bat Mitzvah calculation
Leap Year ImpactHebrew calendar has a leap month (Adar II) every few years, which affects birthdaysGregorian calendar has a leap day (Feb 29) every four years
Personal ConnectionMany people feel a strong spiritual connection when they celebrate their Jewish birthdayMost people celebrate their Gregorian birthday for fun and social reasons

Why Does This Matter?

If you follow Jewish traditions, knowing your Hebrew birthday is important. For example:

  • If your Bar Mitzvah is coming up, you need to celebrate it on your Jewish birthday, not the regular one.
  • Many Jewish people choose to give charity (Tzedakah) or say a prayer on their Jewish birthday.
  • Some people even celebrate both birthdays—one with family & friends and one for spiritual reflection!

Both calendars have their own importance, but if you’re interested in Jewish traditions, it’s worth finding out when your Hebrew birthday is. Try the Jewish Birthday Calculator and see for yourself.

Also try: Chinese Birthday Calculator

Frequently Asked Questions (FAQs)

1. What is a Jewish (Hebrew) birthday?
A Jewish birthday is the date on which you were born according to the Hebrew (lunar) calendar. Unlike the Gregorian calendar, the Hebrew calendar is lunar, so your Jewish birthday changes every year.
2. Why does my Jewish birthday change every year?
The Hebrew calendar is lunar-based (29 or 30 days), while the Gregorian calendar is solar-based. This causes your Jewish birthday to shift each year on the regular calendar.
3. How can I find out my Jewish birthday?
Use the Jewish Birthday Calculator! Just enter your Gregorian birthdate (like April 15, 2000), and it will convert it to your Hebrew birthdate (like Nisan 10, 5760).
4. Why is my Hebrew birthday important?
In Judaism, birthdays are spiritually meaningful. Your Hebrew birthday is a day for reflection, mitzvot (good deeds), and gratitude for life.
5. Do Jewish people celebrate birthdays?
Yes! Many Jewish people observe their Hebrew birthday with charity, prayer, and spiritual reflection—sometimes along with regular celebrations too.
6. What if I was born at night—how does that affect my Hebrew birthday?
The Jewish calendar begins a new day at sunset. So if you were born at night, your Hebrew birthday may fall on the next day compared to someone born in the morning. The calculator handles this automatically.
7. How does my Hebrew birthday affect my Bar/Bat Mitzvah?
Bar Mitzvah (boys) is at 13 and Bat Mitzvah (girls) at 12, based on Hebrew calendar. Your Bar/Bat Mitzvah date is based on your Hebrew birthday, not your Gregorian one.
8. What if I was born on a leap year?
The Jewish calendar has leap years too. Instead of a leap day, it adds a whole month (Adar II). If born in Adar II, your birthday shifts in non-leap years to Adar I or stays same depending on the year.
9. Does my Jewish birthday have any spiritual significance?
Yes! It marks the day your soul entered this world. Many people pray, give charity, or read Psalms to honor it.
10. What’s the difference between a Jewish and Gregorian birthday?
Your Gregorian birthday stays the same every year. The Jewish one shifts based on the lunar calendar, so it can vary each year.
11. Can I celebrate both my Jewish and regular birthdays?
Absolutely! Many celebrate both—the regular birthday with fun and the Hebrew one with spiritual practices.
12. How do I know if my Hebrew birthday has any special meaning?
Check if it aligns with a Jewish holiday. For example, Kislev 25 falls on Hanukkah, and Tishrei 10 is Yom Kippur—making your birthday extra meaningful.
13. How does the Jewish leap month affect birthdays?
In leap years, Adar II is added. If born in Adar II, your birthday might fall in Adar I during non-leap years. The calculator shows the accurate date every year.
14. What happens if I was born on a Jewish holiday?
Your birthday may carry symbolic meaning. For example, born on Passover symbolizes freedom; on Yom Kippur means reflection and spiritual depth.
15. Do Jewish people give gifts on birthdays?
Gifts are less emphasized. Instead, many give charity, pray, or study Torah as a spiritual celebration.
16. Can I use the Jewish Birthday Calculator for someone else?
Yes, you can calculate anyone’s Hebrew birthday—just input their Gregorian birthdate.
17. Is the Jewish Birthday Calculator accurate?
Yes! It uses official Hebrew calendar data for accurate conversion.
18. How can I remember my Hebrew birthday every year?
Use a Jewish calendar app, set phone reminders, or mark it during Rosh Hashanah planning.
19. Is it okay to celebrate a Hebrew birthday late?
Yes! If you forget, celebrate it later. The meaning and power of the day still remain.
20. Where can I use my Jewish birthday besides celebrations?
For Aliyah to Torah, Bar/Bat Mitzvah planning, Jewish astrology, or spiritual reflections.

Final Thought

Your Jewish birthday is more than just a date—it’s a chance to reflect on your past, present, and future. Whether you celebrate in a big way or simply take a moment to appreciate life, knowing your Hebrew birthdate connects you to Jewish traditions in a unique way.

Try the Jewish Birthday Calculator now and discover your special day.