Birthday Countdown Calculator
Days left until your next birthday and the age you will turn.
How it works
Finds the next time your birth month and day occur, counting from today. If your birthday is today the result is 0 days. People born on 29 February get 1 March in non-leap years.
FAQ
Is this calculator free?
Yes. No signup is needed and nothing you enter is stored.
Is the result exact?
Results are rounded for display. For financial, medical, or legal decisions, confirm with a professional.
Do my numbers leave my device?
No. The calculation runs in your browser.