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When is First Day of Winter 2026?
Monday, December 21, 2026
There are 240 days left until First Day of Winter 2026.
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First Day of Winter
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Date details for First Day of Winter 2026
- Day of week: Monday
- Full date: Monday, December 21, 2026
- Days remaining: 240
- Weeks remaining: 34
First Day of Winter 2026 is on Monday, December 21, 2026. That’s 240 days or 34 weeks from today. Track it with a free countdown widget on your iPhone.
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Open page →About First Day of Winter
The first day of Winter 2026 is Monday, December 21st.
History & Significance
This date marks the Winter Solstice in the Northern Hemisphere, the shortest day of the year.
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