How Old Am I Calculator

Calculator Use

Calculate your age in days, hours, minutes and seconds and watch the time increment as you get older by the moment. Calculate exactly how old you are by entering your date of birth and your time of birth.

This "How Old Am I?" calculator finds your age by calculating the difference between today's date and your birth date.

Then we calculate the time of day difference by reading the system time on your computer or device. The calculator compares your system time to your time of birth and calculates the difference in in hours, minutes and seconds.

It's important to note whether you are currently in the same time zone as your birth location. If you were born in a different time zone you should adjust your time of birth input.

For example, if you were born at 8:00 am in the Eastern time zone and you are currently in the Pacific time zone, you should subtract 3 hours from your time of birth. In this case you should input 5:00 am as your time of birth.