From the “Contemporary Iran” package Flag Day A day honouring the national flag Historical confidence: Reconstructed Iran · Observance In nearby years 1403 Sunday 1 Mehr 1403 22 September 2024 1404 Tuesday 1 Mehr 1404 23 September 2025 1405 Wednesday 1 Mehr 1405 23 September 2026 1406 Thursday 1 Mehr 1406 23 September 2027 1407 Friday 1 Mehr 1407 22 September 2028 Other occasions in this package NowruzNowruz Holidays (Days 2–4)Islamic Republic DayArmy DayIRGC Founding AnniversaryTeachers' DayPersian Gulf National DayWorkers' Day