The Christian celebration of the birth of Jesus Christ, observed on December 25.
This is a Gregorian calendar holiday — observed on the same date worldwide. There is no tithi or panchang significance to the date; it does not shift by timezone.
Christmas commemorates the Nativity of Jesus Christ. Celebrated since the 4th century, it has become one of the most widely observed festivals in the world, blending religious traditions with cultural customs — gift-giving, family meals, decorated trees, carols, and acts of charity. The date of December 25 is a fixed Western Christian observance; Eastern Orthodox churches following the Julian calendar mark Christmas on January 7.
Computed for Ust'-Uda (Asia/Irkutsk) using local sunrise, sunset and astronomical positions.
Daily tithi, nakshatra, sunrise, sunset and upcoming festivals — all computed for Ust'-Uda.