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Birthday Calculator

Discover what day you were born on, how many days there are until your next birthday, your star sign, celebrities you share your birthday with, the number one song and the most popular movie on your birthday.

Disclaimer: Whilst every effort has been made in building our calculator tools, we are not to be held liable for any damages or monetary losses arising out of or in connection with their use. Full disclaimer.


Features of the birthday calculator

Find out the following:

  • Your star sign
  • The day on which you were born
  • How old you are in years, months and days
  • Your Chinese zodiac sign
  • Your birthstone
  • The number of days until your next birthday
  • Famous people who share your birthday
  • The number one song on your birthday
  • The number one movie on your birthday

Citations

Date information for the most popular movies comes from Box Office Mojo. The music information originally came from playback.fm, but was then researched individually from Wikipedia and The Official UK Charts Company.

How many days until my birthday?

Use our birthday calculator to work out the number of days until your next birthday. We calculate this based upon your birth date and today's date.

What is my date of birth if I'm 21 today?

If you are 21 years old today, your date of birth would be Wednesday December 05, 2001.

Wednesday December 05, 2001

What is my date of birth if I'm 18 today?

If you are 18 years old today, your date of birth would be Sunday December 05, 2004.

Sunday December 05, 2004
Birthday marked on a calendar

On what day was I born?

Use the birthday calculator to find out how many hours, days, months and years you've been alive for and what day you were born on. Simply enter your date of birth into the calculator and click the 'calculate' button. We also have a calculator that shows your chronological age, if you want to know that. And, if you're into Roman numerals, you can find out what your year of birth is in Roman symbols.

Calculator by Alastair Hazell.

If you have any problems using our birthday calculator, please contact us.