西暦・和暦早見表＆電卓 PLUS（年齢・干支・メモあり）

This is a simple, easy-to-use, free quick reference app that lets you instantly find the Gregorian calendar, Japanese calendar, age, and Chinese zodiac sign. The Japanese calendar is supported from the Taika era (645 AD).

Have you ever wondered, while creating a resume, going through government procedures, or in casual conversation, "What year of the Heisei era is it this year?" or "How old is someone born in Showa 60 (1985)?" With this "Calendar Quick Reference" app, you can find the answer immediately.

It's completely free and ad-free. No personal information input or account creation is required (favorite data is saved only on your device).

【Main Features】
① Easy-to-Read Quick Reference Chart
A list corresponding to each era—Meiji, Taisho, Showa, Heisei, and Reiwa—allows you to check the Gregorian calendar, Japanese calendar, age, and Chinese zodiac sign side-by-side. Simply scroll to quickly find the year you want. It also supports future years, making it useful for future planning.

② Convenient "Calendar Calculator"
"When is the ◯th anniversary of a death?" "What year will I turn 60?" Let the app handle these calculations. Simply enter the Gregorian or Japanese calendar year, and the app instantly converts and calculates the corresponding information.

③ Favorite Memo Function
You can register and manage family and friends' birthdays, anniversaries, etc., in a list. When you wonder, "How old is Dad this year?", you can find the answer instantly by opening the app. Registered data can be freely grouped and rearranged. [NEW] The backup function has been enhanced, allowing you to save data as a CSV file to your device and easily restore it when changing devices.

④ Extensive Customization
You can set the screen to your liking with features such as fixed headings, changed font sizes, and color theme switching.

【Recommended for those who:】
・Want to check graduation and enrollment years when creating resumes or work history documents
・Need to convert between Gregorian and Japanese calendar years when filling out documents at government offices or hospitals
・Want to remember and manage the ages, birthdays, and memorial service anniversaries of family and relatives
・Want to quickly check the Showa, Heisei, and Reiwa eras
・Want to check the comparison between the Japanese and Gregorian calendars when studying Japanese history