Age & Date Difference Calculator

Exact age in years, months and days — leap years handled correctly

Calculate exact age in years, months and days from any birth date, including the day of the week you were born and a countdown to your next birthday — or compare any two arbitrary dates for their full difference in days, weeks, months and years. Built with a calendar-aware date engine that correctly handles Feb 29 birthdays, differing month lengths, and spans crossing multiple leap years.

• →Computes exact age in years, months and days — not just a whole-number age
• →Correctly handles Feb 29 birthdays in both leap and non-leap years
• →Shows the day of the week you were born and a countdown to your next birthday
• →Compare any two dates for the difference in days, weeks, months and years
• →Watermarked by Cikal Studio Labs · Works on any device, no install required