Which birth year for this age?

From current man-nenrei, see the birth years that fit before vs after the birthday, with eto and wareki.

Pick a legal age to open a page for the birth years that fit before vs after the birthday.

Before and after the birthday

The same man-nenrei can mean the previous calendar year if the birthday has not occurred yet, or that year if it has.

Frequently asked questions

Does this give an exact birth date?

No — year candidates only. Use the age calculator for an exact age.