12 weeks until Winter Solstice
There are 12 full weeks and 5 days until Winter Solstice, which falls on Monday, December 21, 2026. As a single figure that is 12.7 weeks, and as working time it is 12.6 working weeks.
How many weeks until Winter Solstice?
12 weeks and 5 days. The shortest day of the year in the northern hemisphere, usually 21 or 22 December. The 5-day remainder is the offset between today, a Wednesday, and Winter Solstice, a Monday. For the day figure ticking live, use the Winter Solstice countdown.
Week by week to Winter Solstice
There are 13 Monday boundaries between now and Winter Solstice, and crossing each one takes a week off the count.
| Week boundary | Week starts | ISO week | Weeks still to go |
|---|---|---|---|
| 1 | September 28, 2026 | 40 | 12 |
| 2 | October 5, 2026 | 41 | 11 |
| 3 | October 12, 2026 | 42 | 10 |
| 4 | October 19, 2026 | 43 | 9 |
| 5 | October 26, 2026 | 44 | 8 |
| ... | 3 further weeks not listed | ... | ... |
| 9 | November 23, 2026 | 48 | 4 |
| 10 | November 30, 2026 | 49 | 3 |
| 11 | December 7, 2026 | 50 | 2 |
| 12 | December 14, 2026 | 51 | 1 |
| 13 | December 21, 2026 | 52 | 0 |
Which week of the year does Winter Solstice fall in?
Winter Solstice 2026 sits in ISO week 52, while today sits in week 39. Because Winter Solstice keeps the same calendar date every year, its ISO week number still drifts, by one week at a time, as the weekday of December 21 moves forward. The Monday-to-Sunday dates are listed on the week 52 page.
How many weekends are left before Winter Solstice?
13 weekends, counting Saturdays that have not yet passed, out of the 89 days ahead. Of those days, 63 are working days and 26 fall at a weekend. Weekly commitments are easier to plan against the weekday tally than against the raw week count: 13 Mondays and 13 Fridays remain. The weekends until Winter Solstice page sets out the counting rule in full.
Weeks until Winter Solstice in coming years
| Year | Date | Weekday | Weeks from today | Odd days |
|---|---|---|---|---|
| 2026 | December 21 | Monday | 12 | 5 |
| 2027 | December 21 | Tuesday | 64 | 6 |
| 2028 | December 21 | Thursday | 117 | 1 |
| 2029 | December 21 | Friday | 169 | 2 |
| 2030 | December 21 | Saturday | 221 | 3 |
The gap between 2026 and 2027 is 365 days, or 52.14 weeks, so the week count never simply rises by 52.
Questions
- How many weeks until Winter Solstice?
- 12 weeks and 5 days, from September 23, 2026 to December 21, 2026.
- How many working weeks is that?
- 12.6, being 63 Monday-to-Friday days at five per week.
- What day of the week is Winter Solstice 2026?
- A Monday, December 21, 2026, in ISO week 52.
- How many days until Winter Solstice?
- 89 days. See the live Winter Solstice countdown.
Weeks until other dates
Winter Solstice in other units
All week countdowns · Weeks left in 2026 · Day of the year · Date calculator