This simple, easy-to-use, free calendar app lets you instantly find the Gregorian calendar, Japanese calendar, age, and zodiac sign. The Japanese calendar has been supported since the Taika era (645).

Have you ever wondered, "What year of the Heisei era is this year?" or "How old is someone born in 1985?" while writing a resume, completing procedures at government offices, or during a casual conversation? With this calendar chart app, you can instantly find the answer.

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

[Key Features]
1. Easy-to-read chart: A chart for each era (Meiji, Taisho, Showa, Heisei, and Reiwa) lets you view the Gregorian calendar, Japanese calendar, age, and zodiac sign side by side. Simply scroll to quickly find the year you're looking for. It also supports years into the future, making it useful for future planning.

2. Convenient Calendar Calculator: "When is the ◯th anniversary of someone's death this year?" "What year will I reach my 60th birthday?" Leave the calculations to the app. Simply enter the Gregorian or Japanese calendar date, and the corresponding information will be instantly converted and calculated.

3. Favorite Memo Feature: Register and manage your family and friends' birthdays, anniversaries, and more in a list. If you ever find yourself wondering, "How old is my dad this year?" just open the app and you'll know right away. Registered data can also be grouped and sorted freely. [NEW] The backup function has been enhanced, allowing you to save data to your device as a CSV file and easily restore it when changing devices.

4. Extensive Customization: Customize the screen to your liking with options like locking headings, changing font size, and switching color themes.

[Recommended for]
- Those who want to check graduation and enrollment years when creating a resume or CV
- Those who need to convert between the Gregorian and Japanese calendars when filling out government or hospital forms
- Those who want to remember and keep track of their family and relatives' ages, birthdays, and anniversaries of memorial services
- Those who want to quickly check the era names of Showa, Heisei, and Reiwa
- Those who want to compare the Japanese and Gregorian calendars when studying Japanese history

Keywords: Gregorian calendar, Japanese calendar, age, zodiac sign, quick reference chart, resume, calculation, Showa, Heisei, Reiwa, birthday, management, free, simple