Birthday Calculator

Discover fascinating details about your birthday. Enter your date of birth to find out what day of the week you were born, your zodiac sign, how many days until your next birthday, and your exact age in days, weeks, and months. A perfect tool for birthday enthusiasts and astrology fans.

What Your Birthday Reveals

Your birthday is more than just a date on the calendar. Throughout history and across cultures, the day you were born has been associated with personality traits, luck, and destiny. Here is what our birthday calculator uncovers:

Day of the Week You Were Born

There is a well-known nursery rhyme that assigns characteristics based on birth day:

Monday's child is fair of face
Tuesday's child is full of grace
Wednesday's child is full of woe
Thursday's child has far to go
Friday's child is loving and giving
Saturday's child works hard for a living
Sunday's child is bonny, blithe, good, and gay

While this is just a fun rhyme from the 16th century, many people enjoy finding out whether their personality matches the traditional description for their birth day.

Understanding Your Zodiac Sign

The twelve zodiac signs are based on the position of the sun at the time of your birth. Each sign is associated with distinct personality traits, strengths, and tendencies:

Aries (March 21 - April 19): Bold, ambitious, and energetic. A natural leader who loves challenges.
Taurus (April 20 - May 20): Reliable, patient, and devoted. Values stability and comfort.
Gemini (May 21 - June 20): Adaptable, curious, and communicative. The social butterfly of the zodiac.
Cancer (June 21 - July 22): Intuitive, loyal, and nurturing. Deeply connected to home and family.
Leo (July 23 - August 22): Confident, dramatic, and warm-hearted. Born to be in the spotlight.
Virgo (August 23 - September 22): Analytical, practical, and detail-oriented. The perfectionist of the zodiac.
Libra (September 23 - October 22): Diplomatic, fair-minded, and social. Seeks harmony and balance.
Scorpio (October 23 - November 21): Passionate, resourceful, and determined. Known for intensity and loyalty.
Sagittarius (November 22 - December 21): Adventurous, optimistic, and philosophical. The explorer of the zodiac.
Capricorn (December 22 - January 19): Disciplined, responsible, and ambitious. The achiever who climbs every mountain.
Aquarius (January 20 - February 18): Independent, original, and humanitarian. The visionary thinker.
Pisces (February 19 - March 20): Empathetic, artistic, and intuitive. The dreamer with a deep emotional world.

Birthday Number Fun Facts

The most common birthday in the US falls in September, with September 9th being the single most popular date
The least common birthday is February 29th (leap day), followed by December 25th and January 1st
In an average classroom of 23 students, there is a 50% chance that two people share the same birthday (the Birthday Paradox)
The tradition of birthday cakes dates back to ancient Greece, where round cakes honored Artemis, the moon goddess
The "Happy Birthday to You" song was originally written in 1893 as "Good Morning to All" by sisters Patty and Mildred Hill

Frequently Asked Questions

What day of the week was I born on?

Enter your date of birth in our birthday calculator to instantly find out the day of the week you were born. The calculator uses the Gregorian calendar to determine the exact day. For example, if you were born on July 20, 1969, you were born on a Sunday. Many cultures attach significance to the day of the week a person is born.

What is my zodiac sign?

Your zodiac sign is determined by your birth date. The twelve signs and their date ranges are: Aries (March 21 - April 19), Taurus (April 20 - May 20), Gemini (May 21 - June 20), Cancer (June 21 - July 22), Leo (July 23 - August 22), Virgo (August 23 - September 22), Libra (September 23 - October 22), Scorpio (October 23 - November 21), Sagittarius (November 22 - December 21), Capricorn (December 22 - January 19), Aquarius (January 20 - February 18), and Pisces (February 19 - March 20).

How many days until my birthday?

Enter your birth date in the birthday calculator and it will automatically compute the number of days remaining until your next birthday. The countdown updates based on today's date and accounts for leap years. If your birthday is today, the calculator will congratulate you and show that your next birthday is a full year away.