和暦・年齢・干支・年号・皇紀・西暦電卓

和暦・年齢・干支・年号・皇紀・西暦電卓 is a tools app by Sui Zhongbao with 500,000+ downloads (about 809K estimated). Rated 5.0 from 1.7K ratings. Released Dec 11, 2010. Install growth, rank history, SDKs and ad networks.

From the store listing: “If you enter the year, age, or year, it is a convenient app that lets you know the corresponding Japanese calendar, age, zodiac, year, imperial year, and year.”