From the “Christian” package Immaculate Conception 8 December, the Catholic doctrine that Mary was conceived free of original sin Historical confidence: Attested In nearby years 1403 Sunday 18 Azar 1403 8 December 2024 1404 Monday 17 Azar 1404 8 December 2025 1405 Tuesday 17 Azar 1405 8 December 2026 1406 Wednesday 17 Azar 1406 8 December 2027 1407 Friday 18 Azar 1407 8 December 2028 Other occasions in this package EpiphanyTheophany (Orthodox Epiphany)AnnunciationAssumption of MaryAll Saints' DayAll Souls' DayChristmas (Western)Christmas (Orthodox)