Birthday Calculator: Day You Were Born, Next Birthday and Zodiac

See the day of the week you were born, how many days until your next birthday, the age you will turn, and your star sign and Chinese zodiac animal.

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How to use the birthday calculator

  1. Type your numbers in the boxes (pick your currency or units if asked).
  2. The answer updates as you type: no button to press.
  3. Copy the result, or share it on WhatsApp with one tap.

Questions

How is the star sign worked out?

From the Western (tropical) zodiac dates, which can shift by a day in some years.

Is my data private?

Yes. Everything happens inside your own browser: nothing you type or choose is uploaded to us or anyone else.

Is it free?

Completely free, with no sign-up, no watermark and no limit on how many times you use it. Light ads keep the site running.