Birthday Calculator
Find your next birthday's exact date, what day of the week it falls on, and the age you'll be turning.
How this is calculated
Enter a date of birth and this tool finds the next upcoming anniversary of that date — this year's if it hasn't happened yet, otherwise next year's — along with the day of the week it lands on and the exact number of days remaining.
Why the weekday matters more than you'd think
A birthday landing on a Saturday makes for a very different celebration than one landing on a Tuesday — which is exactly why event planning, party invitations, and even gift-shipping timelines often start with checking the weekday months in advance rather than waiting until the date is close.
Frequently asked questions
How do I find out what day of the week my birthday falls on?
Enter your date of birth — the calculator finds your next upcoming birthday and shows the weekday it lands on.
What age will I be turning?
The exact age you'll turn on your next birthday is calculated automatically alongside the date and weekday.
Does this work for any date of birth, including this year?
Yes, any date of birth works, including a birthday still coming up later this same year.