From the “Contemporary Iran” package Research Day A day honouring research and technology Historical confidence: Reconstructed Iran · Observance In nearby years 1403 Sunday 25 Azar 1403 15 December 2024 1404 Tuesday 25 Azar 1404 16 December 2025 1405 Wednesday 25 Azar 1405 16 December 2026 1406 Thursday 25 Azar 1406 16 December 2027 1407 Friday 25 Azar 1407 15 December 2028 Other occasions in this package NowruzNowruz Holidays (Days 2–4)Islamic Republic DayArmy DayIRGC Founding AnniversaryTeachers' DayPersian Gulf National DayWorkers' Day