April 2026 in Japan
3 holidays / observances this month. Notable dates include April Fools' Day, Earth Day, Showa Day. See the full 2026 calendar or holidays list.
Calendar
April 2026 — Japan
Full April 2026 calendar for Japan. Tap a marked day for holiday details.
Public / federal holidayObservanceInternational dayToday
April 2026
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Holidays in April
3 dates
April Fools' Day
Wed, Apr 1 · Observance
Earth Day
Wed, Apr 22 · Observance
Showa Day
Wed, Apr 29 · Public holiday