Calendar
When is First Day of Winter?
First Day of Winter is on Monday, December 21, 2026 (US Eastern)
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Find out exactly when First Day of Winter is. The date and live countdown below are shown in US Eastern (ET) time and update every second.
Frequently asked questions
How many days until First Day of Winter?
There are 142 days until First Day of Winter on Monday, December 21, 2026.
What date is First Day of Winter?
First Day of Winter is on Monday, December 21, 2026 (US Eastern time).
How many weeks until First Day of Winter?
There are 20 weeks and 2 days until First Day of Winter.
How many hours until First Day of Winter?
There are 3,427 hours until First Day of Winter.
Full First Day of Winter countdown →
All times shown in US Eastern (America/New_York).