From the “Contemporary Iran” package Persian Gulf National Day Commemorates the 1971 withdrawal of British forces from the Persian Gulf islands Historical confidence: Attested Iran · Observance In nearby years 1403 Monday 10 Ordibehesht 1403 29 April 2024 1404 Wednesday 10 Ordibehesht 1404 30 April 2025 1405 Thursday 10 Ordibehesht 1405 30 April 2026 1406 Friday 10 Ordibehesht 1406 30 April 2027 1407 Saturday 10 Ordibehesht 1407 29 April 2028 Other occasions in this package NowruzNowruz Holidays (Days 2–4)Islamic Republic DayArmy DayIRGC Founding AnniversaryTeachers' DayWorkers' DayLiberation of Khorramshahr