Week 53, 2026
ISO-8601 Standard Week
Week 53 of 2026 runs from December 28, 2026 to January 3, 2027, and 2026 has 53 weeks in total.
This week is still ahead. See the full 2026 calendar, or learn why some years have 53 weeks.
Starts On
Monday
December 28, 2026
Ends On
Sunday
January 03, 2027
This week marks approximately 99% of the year 2026 passed.
December 2026 Calendar
| Week | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| 49 | 30 | 1 | 2 | 3 | 4 | 5 | 6 |
| 50 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 51 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 52 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 53 | 28 | 29 | 30 | 31 | 1 | 2 | 3 |
Holidays in Week 53
Public Holidays Around the World in Week 53, 2026
- Mon, Dec 28 Boxing Day (observed) United Kingdom
All Weeks in 2026
Week 53 in Other Years
Compare dates and holidays for week 53 across different years:
About Week 53
Week 53 of 2026 is a standard business week consisting of 7 days. It follows the ISO-8601 convention where Monday is the first day of the week.
Working Days
In most countries, this week contains 5 working days (Monday, December 28 to Friday, January 01) and a standard 2-day weekend.