From the “World days” package Earth Day 22 April, Earth Day and global environmental awareness Historical confidence: Attested In nearby years 1403 Monday 3 Ordibehesht 1403 22 April 2024 1404 Tuesday 2 Ordibehesht 1404 22 April 2025 1405 Wednesday 2 Ordibehesht 1405 22 April 2026 1406 Thursday 2 Ordibehesht 1406 22 April 2027 1407 Saturday 3 Ordibehesht 1407 22 April 2028 Other occasions in this package New Year's DayValentine's DayInternational Women's DayPi DayEarth HourApril Fools' DayWorld Health DayWorld Book Day