How to calculate the birthday?

According to international practice: born at the age of zero, you will be one year older every Gregorian birthday.

For example, the birthday is Gregorian calendar19865438+June 8, 0.

The calculation time is1June 8, 999.

Then, this person's age should be 18.

Nominal age

It is an ancient way of chronology in China (there was no wasted years at that time), and it has been used by the people ever since. In most cases, it is over one year old, so it is called nominal age.

Age calculation method of nominal age

It is recorded as one year old at birth and increases by one year every Spring Festival.

algorithm

Number of years in the current lunar year-the number of years in the previous lunar year before birth. For example, if a person was born in the lunar calendar 1966 (i.e.19665438+10/0/0 to1967 February 8), then the lunar calendar is 20 10 (i.e., 20.

See /view/400 10.htm for details.