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Calendar

How many days until First Day of Winter?

Monday, December 21, 2026 · US Eastern

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142 days until 20 weeks 2 days 3,427 hours 142 sleeps

First Day of Winter is a calendar countdown. Use the live timer above to see exactly how many weeks, days, hours, minutes and seconds are left until First Day of Winter — all shown in US Eastern (ET) time and refreshed every second. Count down to First Day of Winter and never miss the date.

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.

Related countdowns

All times shown in US Eastern (America/New_York).