How Many Days Until First Day of Winter (Northern Hemisphere) 2026?
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First Day of Winter (Northern Hemisphere) 2026 falls on Monday, December 21, 2026.
📅 – weeks
💼 – weekdays
🛌 – weekend days
🗓️ – months (approx)
Quick facts
| Exact moment (UTC) | December 21, 2026 · 20:48 |
|---|---|
| Event | December Solstice |
| Hemisphere note | Seasons flip in the Southern Hemisphere |
About First Day of Winter (Northern Hemisphere) 2026
The december solstice of 2026 falls on December 21, 2026 at 20:48 UTC — the astronomical start of winter in the Northern Hemisphere (summer below the equator).
Astronomically, this is the Sun at its southernmost point — winter begins in the north, summer in the south. It is also the day the tide of daylight turns: after the December solstice the change is barely minutes per week, then accelerates — the reason the weeks after a solstice feel darker (or lighter) faster than the solstice day itself.