🎂
Birthday Countdown Calculator
Calculate exactly how many days, hours, and minutes until your next birthday. See your age in days, weeks, months, and more.
Enter your date of birth and instantly see how many days until your next birthday, plus your exact age in days, weeks, months, and years. Share it with friends or set a reminder!
Tips for Birthday Countdown
1
There are approximately 365.25 days in a year (accounting for leap years)
2
Your 10,000th day alive is a fun milestone — usually around age 27
3
Some cultures celebrate the 1,000th day birthday as a special milestone for babies
Frequently Asked Questions
How many days until my birthday?
Enter your date of birth above and the calculator will show you exactly how many days, hours, and minutes until your next birthday. It accounts for leap years automatically.
Last updated: April 2026
Data sources: Standard mathematical formulas
For informational purposes only. Not financial, medical, or legal advice. Always consult a qualified professional for decisions affecting your finances or health.