figure out age from birthdate
Age Calculator. This is an age calculator based on the date of birth and the date to be calculated at. This calculator gives out age in years, months, weeks, days, hours, minutes, and seconds.n this system, age grows at the birthday. For example, the age of a person that has lived for 3 years and 11 months is 3 and the age will turn to 4 at his/her next birthday one month later. Most western countries use this age system.