Week 50 of 2026: Dates
Week 50 of 2026 starts on Monday, December 7, 2026 and ends on Sunday, December 13, 2026. It falls in December, in the fourth quarter of 2026.
The days of week 50, 2026
| Day | Date | Day of year | US federal holiday |
|---|---|---|---|
| Monday | December 7, 2026 | Day 341 | |
| Tuesday | December 8, 2026 | Day 342 | |
| Wednesday | December 9, 2026 | Day 343 | |
| Thursday | December 10, 2026 | Day 344 | |
| Friday | December 11, 2026 | Day 345 | |
| Saturday | December 12, 2026 | Day 346 | |
| Sunday | December 13, 2026 | Day 347 |
Other days in this week: Pearl Harbor Remembrance Day, Human Rights Day, Feast of the Immaculate Conception.
ISO and US week numbers
Week 50 covers days 341 to 347 of 2026. US calendars start the week a day earlier, on Sunday, December 6. On that count the same Monday is in week 50 of 2026, so here the two numbers match. To check it in Excel or Google Sheets, =ISOWEEKNUM(DATE(2026,12,7)) returns 50 and =WEEKNUM(DATE(2026,12,7)) returns 50.
Week 50 by year
| Year | Monday | Sunday |
|---|---|---|
| 2026 | December 7, 2026 | December 13, 2026 |
| 2027 | December 13, 2027 | December 19, 2027 |
| 2028 | December 11, 2028 | December 17, 2028 |
| 2029 | December 10, 2029 | December 16, 2029 |
| 2030 | December 9, 2030 | December 15, 2030 |
| 2031 | December 8, 2031 | December 14, 2031 |
This page shows the next week 50 that has not ended yet. ISO weeks start on Monday, and week 1 contains the year's first Thursday.
Week 50 questions
When does week 50 of 2026 start?
On Monday, December 7, 2026. It ends on Sunday, December 13, 2026, seven days later.
Does every year have a week 50?
Yes. Every ISO year has weeks 1 to 52, and only some have a week 53.
Related pages
Cite this page
APA: ClockTotals. (2026, October 27). Week 50 of 2026: Dates. https://clocktotals.com/week-number/50/
MLA: “Week 50 of 2026: Dates.” ClockTotals, 27 Oct. 2026, clocktotals.com/week-number/50/.
Link (HTML): <a href="https://clocktotals.com/week-number/50/">Week 50 of 2026: Dates</a>