December 28 – January 3, 2026 · 2026-W53 · ~99% through 2026
Week Details
| Week number | 53 |
| Year | 2026 |
| ISO notation | 2026-W53 |
| Start date | Monday, December 28, 2026 |
| End date | Sunday, January 3, 2027 |
| Working days | 5 (Mon–Fri) |
| Year progress | 99% |
Days in This Week
Mon Today
Dec 28 Tue Today
Dec 29 Wed Today
Dec 30 Thu Today
Dec 31 Fri Today
Jan 1 Sat Today
Jan 2 Sun Today
Jan 3 All Weeks of 2026
Week 53 in Other Years
| Year | Start | End |
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Frequently Asked Questions
What dates are in week 53 of 2026?
Week 53 of 2026 starts on Monday, December 28, 2026 and ends on Sunday, January 3, 2027. It contains 5 working days (Monday–Friday) and a 2-day weekend (Saturday–Sunday).
What is the ISO notation for week 53, 2026?
The ISO 8601 week date notation is 2026-W53. Individual days are written as 2026-W53-1 (Monday) through 2026-W53-7 (Sunday).
How far through 2026 is week 53?
Week 53 begins around day 362 of 365, which is approximately 99% through the year.