From the “Iranian festivals” package Khorram Ruz The first of Dey, the start of winter and the first of the Deygan feasts Historical confidence: Attested In nearby years 1403 Saturday 1 Dey 1403 21 December 2024 1404 Monday 1 Dey 1404 22 December 2025 1405 Tuesday 1 Dey 1405 22 December 2026 1406 Wednesday 1 Dey 1406 22 December 2027 1407 Thursday 1 Dey 1407 21 December 2028 Other occasions in this package Great NowruzSizdah BedarFarvardinganOrdibeheshtganRosewater FestivalKhordadganThe 120-Day WindsSummer Chelleh