Tortoise Age Calculator

Calculate your exact age down to the minute — enter your date of birth and instantly see your age in years, months, days, hours, and minutes. Also shows the day of the week you were born, days until your next birthday, and total days you've been alive. Used for official forms, milestone tracking, or just curiosity. Everything runs in your browser — no data stored.

How accurate is this age calculator?

It calculates your exact age down to the current minute, accounting for leap years and varying month lengths. The calculation uses your device's current date and time.

Does it account for leap years?

Yes. The calculator correctly handles leap years (years divisible by 4, except centuries not divisible by 400). February 29 birthdays are calculated accurately.

Can I calculate age between two dates?

Yes. By default it calculates from your birthday to today, but you can change the end date to calculate the age or time difference between any two dates.

What day of the week was I born?

The calculator shows the day of the week for your birth date. Enter your birthday and it displays whether you were born on a Monday, Tuesday, etc.