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Birthday Calculator: Fun Facts About Your Birth Date

Find your birth weekday, zodiac sign, Chinese zodiac animal, and a live countdown to your next birthday - all in one place.

More than just a date

Your date of birth carries more information than most people realize. Beyond your age, it determines the day of the week you entered the world, your astrological sign, and in Chinese astrology the animal associated with your birth year. This calculator pulls all of that together in one quick lookup.

Perfect for birthday planning

Curious how many days are left until your next birthday, or a friend's? This tool gives you an instant countdown so you can start planning celebrations, gift shopping, or party invitations early. If you only need the countdown, our dedicated Days Until Birthday tool gives you that number with nothing else in the way.

Want a deeper astrological breakdown, including your element and personality traits? Head over to the Zodiac Sign Calculator.

Frequently asked questions

What day of the week was I born on?

Enter your date of birth and the calculator will instantly tell you the exact weekday you were born, calculated using the calendar system.

Can this tell me my zodiac sign?

Yes. The birthday calculator shows both your Western zodiac sign and your Chinese zodiac animal based on your date of birth.

How is the countdown to my next birthday calculated?

The tool finds the next occurrence of your birth month and day from today and counts the exact number of days remaining, adjusting automatically for leap-year birthdays (February 29).

how old birthday calculator?

A birthday age calculator tells you exactly how old you are by comparing your date of birth with today's date or any selected date. It provides an accurate age breakdown in years, months, and days.

how many days until birthday?

Enter your date of birth, and our birthday countdown calculator will instantly show how many days remain until your next birthday. It automatically adjusts for leap years and different month lengths.

what is my chinese zodiac sign calculator?

Our Zodiac Calculator identifies your Chinese zodiac animal based on your birth year.