年齢早見表・生年月日計算
%E3%83%AF%E3%83%B3%E3%83%80%E3%83%95%E3%83%AB%E8%A3%BD%E4%BD%9C%E6%89%80 Tools Contains ads
A free app that provides a quick reference chart showing age, school year, and Japanese calendar year based on birth year, and allows for detailed calculations based on birth date.
- Downloads
- 57+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Sep 5
- 2026 · v5.0
Screenshots
About 年齢早見表・生年月日計算
📅 Age Chart & Birthdate Calculator 📅
This free age chart and calculator app lets you quickly find out "How old are you this year?" and "What grade are you in elementary school if you were born in this year?"
It's useful in various everyday situations, such as preparing for nursery school, kindergarten, or school enrollment, various procedures requiring age verification, and checking the age of celebrities or friends you're curious about.
【Main Features】
📋 Age Chart
- Displays ages by birth year (Gregorian calendar)
- Also displays Japanese calendar (Taisho, Showa, Heisei, Reiwa)
- Displays estimated school year (based on April 2nd birth)
- Highlights rows for those born this year
🎂 Birthdate Calculator
- Automatically calculates full age by simply selecting the birthdate
- Number of days since birth
- Countdown to the next birthday
- Day of the week of birth
- Chinese zodiac sign
- Astrological sign
Its simple and easy-to-read design makes it intuitive for anyone to use. Quickly answer your "quick questions" about age and birthdate.
Free to use (ads are displayed within the app).
This free age chart and calculator app lets you quickly find out "How old are you this year?" and "What grade are you in elementary school if you were born in this year?"
It's useful in various everyday situations, such as preparing for nursery school, kindergarten, or school enrollment, various procedures requiring age verification, and checking the age of celebrities or friends you're curious about.
【Main Features】
📋 Age Chart
- Displays ages by birth year (Gregorian calendar)
- Also displays Japanese calendar (Taisho, Showa, Heisei, Reiwa)
- Displays estimated school year (based on April 2nd birth)
- Highlights rows for those born this year
🎂 Birthdate Calculator
- Automatically calculates full age by simply selecting the birthdate
- Number of days since birth
- Countdown to the next birthday
- Day of the week of birth
- Chinese zodiac sign
- Astrological sign
Its simple and easy-to-read design makes it intuitive for anyone to use. Quickly answer your "quick questions" about age and birthdate.
Free to use (ads are displayed within the app).
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