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Age Calculator Japan (School Year Too)
Age, Japanese school year and milestones from a date of birth.
Date of birth
Age
36
Born Heisei 2
| Zodiac | Horse |
| Days to next birthday | 176 days |
| Days since birth | 13,338 days |
| Starts primary school | April 1997 |
| Leaves junior high | March 2006 |
| Leaves high school | March 2009 |
| Turns 20 | Thu, Apr 15, 2010 |
| 60th birthday (kanreki) | 2050 |
Children born on 1 April join the school year above (Japanese law adds a year of age the day before the birthday).
School years assume the usual April start. Not tax or labour advice. 🔒 Everything stays on your device.
✅ Rules last checked:
We build every tool from the official rules and re-check them when they change. Always confirm with the official source before you rely on a result.
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Questions people ask
QWhat is hayaumare?
ABorn 1 January – 1 April: you're in the school year above people born later that year.
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