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Date & Time
Birthday Calculator
Your next birthday is not simply the same date this year โ if it has already passed, it belongs to next year. This calculator works that out and also tells you the weekday it falls on.
How it works
Date of birth
Days until your next birthday
Age you will turn
Next birthday date
Weekday
Birthdays celebrated so far
Frequently asked questions
How do I use the Birthday Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.