元号変換

This app is for converting the era.

It is possible to convert the year, the Japanese calendar, and the Imperial year, respectively.
You can also calculate the year based on age (period).

The following calculations can be easily done.
・ What is the year CE in 1900, and what year is it in the Imperial Period?
・ What year of the year 1452 is the Japanese calendar, how many years is the Imperial year?
・ What is 40 years ago in 1900?
・ What is the 40 years after 1907?

It corresponds also to the new era number