Days Until Start of Winter 2026

Countdown to Start of Winter on Monday 21 December 2026.

267

DAYS

7

HOURS

19

MINUTES

42

SECONDS

Start of Winter 2026 Date Information

  • Date: 21 December 2026
  • Day of Week: Monday
  • Regional Rule (United States): Astronomical start of winter in the Northern Hemisphere (21 December)
  • ISO Format: 2026-12-21
  • UK Format: 21/12/2026
  • US Format: 12/21/2026
  • Week of Year: 52
  • Day of Year: 355

Upcoming Start of Winter Dates

  • 2026: Monday, 21 December
  • 2027: Tuesday, 21 December
  • 2028: Thursday, 21 December
  • 2029: Friday, 21 December
  • 2030: Saturday, 21 December

Time Remaining Breakdown

  • Total Days Remaining: 267
  • Total Weeks Remaining: 38
  • Total Hours Remaining: 6,415
  • Total Minutes Remaining: 384,919
  • Total Seconds Remaining: 23,095,182
  • Business Days Remaining: 191
  • Weekend Days Remaining: 77

How this countdown is calculated

This countdown calculates the exact difference between the current UTC timestamp and the event timestamp. For this page, the event timestamp is 00:00 on 21 December 2026, the start of the listed event date. Once the event has passed, it automatically rolls forward to the next valid year. For United States this page uses: Astronomical start of winter in the Northern Hemisphere (21 December).

Other Popular Countdowns

About Start of Winter

Start of Winter in 2026 falls on Monday, 21 December 2026.

Start of Winter is observed in many places.

This date is calculated each year using the rule: Astronomical start of winter in the Northern Hemisphere (21 December).

Planning for Start of Winter

  • Check local opening hours and closures in the week before Start of Winter.
  • Book travel and major reservations early around peak demand dates.
  • Set reminders for any deadlines that happen shortly before the event.

Frequently Asked Questions

How many days until Start of Winter?

The live counter above shows the exact remaining days, hours, minutes, and seconds until Start of Winter.

When is Start of Winter in 2026?

Start of Winter is on Monday, 21 December 2026.

Does the date of Start of Winter change every year?

Yes. This page calculates it each year using the rule: Astronomical start of winter in the Northern Hemisphere (21 December).

How many weeks until Start of Winter?

The time breakdown section includes weeks remaining, along with total days and hours.