From the “Contemporary Iran” package Engineering Day A day honouring the engineering profession, named for Khwaja Nasir al-Din Tusi Historical confidence: Reconstructed Iran · Observance In nearby years 1403 Sunday 5 Esfand 1403 23 February 2025 1404 Tuesday 5 Esfand 1404 24 February 2026 1405 Wednesday 5 Esfand 1405 24 February 2027 1406 Thursday 5 Esfand 1406 24 February 2028 1407 Friday 5 Esfand 1407 23 February 2029 Other occasions in this package NowruzNowruz Holidays (Days 2–4)Islamic Republic DayArmy DayIRGC Founding AnniversaryTeachers' DayPersian Gulf National DayWorkers' Day