Birthday Calculator
Determine your current age, find out how many days until your next birthday, and more with our easy-to-use Birthday Calculator.
Calculator
Results
Your Age: -
Days until next birthday: -
Data Source and Methodology
All calculations are strictly based on standard calendar algorithms. The calculator uses your input date to compute the age and the number of days until the next birthday.
The Formula Explained
The calculator determines your age by subtracting your birth year from the current year and adjusting based on the current date's month and day.
Glossary of Terms
- Age: The number of full years since your birth date.
- Next Birthday: The upcoming anniversary of your birth date.
How It Works: A Step-by-Step Example
Enter your birth date in the calculator. Upon clicking "Calculate," it will show your current age and how many days remain until your next birthday.
Frequently Asked Questions (FAQ)
What if I enter a future date?
The calculator is designed for past dates only. Entering a future date will result in an error.
Why is my age not updating?
Ensure your browser is not caching old results. Try refreshing the page or clearing the cache.
How accurate is the day count until my next birthday?
The day count considers leap years and adjusts accordingly to provide the correct number of days.