Sunrise & Sunset Times in Ulan-Ude — December 2026

Sunrise & Sunset in Ulan-Ude During December

December contains the winter solstice around the 21st, making it the month with the shortest days and longest nights in Ulan-Ude. Near the solstice, the rate of daylight change slows to near zero, creating a stretch of equally short days. The sun sits at its lowest noon altitude, casting long shadows even at midday. After the solstice, days begin to lengthen again — imperceptibly at first, but the turning point marks the start of the slow climb back toward summer.

Golden Hour & Twilight in December

During December, golden hour in Ulan-Ude lasts approximately 61 minutes each morning and evening. The low sun angle during these periods produces warm, directional light prized by photographers and filmmakers. Civil twilight — the period when the sun is just below the horizon — adds extra usable light before sunrise and after sunset, extending the practical daylight window beyond the times shown in the table above.

Through December, days in Ulan-Ude are shortening by roughly 0.6 minutes per day, adding up to about 0h 18m over the course of the month.

December 2026 Summary — Ulan-Ude

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