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What Day Is First Day of Winter 2026?
Monday
First Day of Winter is on Monday, December 21, 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
- Date: Monday, December 21, 2026
- Days remaining: 279
- Weeks remaining: 39
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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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