Calculate your exact age or time between two dates in years, months, weeks, days, and more.
An age calculator determines the time elapsed between two dates, typically between a birth date and today's date. It's useful for determining exact age for legal purposes, milestones, or simply satisfying curiosity.
If you were born on January 15, 1990, and today is September 30, 2024:
Your age would be 34 years, 8 months, and 15 days.
Age calculation follows the Gregorian calendar and accounts for leap years. The calculation considers the exact number of days in each month, including February's variation between 28 and 29 days.
This calculator can also be used to calculate the time between any two dates, making it useful for project timelines, historical research, or counting down to special events.
Age is calculated by comparing the day, month, and year components of two dates:
If days are negative, subtract one from months and add days in previous month.
If months are negative, subtract one from years and add 12 to months.