What is the age calculator?

The age calculator finds the time in years, months and days since birth. Calculate age, someone's age at death, or time span since an event occurred.

What is age reckoning?

In other cultures, such as in East Asian, age reckoning is different. In some countries, a person begins their life at the age of 1 (by Western standard). Then another year is added to their age at New Year’s Day, even if this happens to be the second day of their life.

What is the age system?

Most western countries use this age system. In some cultures, age is expressed by counting years with or without including the current year. For example, a person who is twenty years old is the same age as another person who is in their twenty-first year of life.

What is a person's age?

A person's age is the time that has passed from the moment they were born. The time before birth is called the gestational age (the age of a pregnancy is counted from conception). In most parts of the world, a baby starts life at 0 and becomes 1 year old on the first anniversary of their birth.