December 27 – January 2, 2027 · 2027-W52 · ~99% through 2027
Week Details
| Week number | 52 |
| Year | 2027 |
| ISO notation | 2027-W52 |
| Start date | Monday, December 27, 2027 |
| End date | Sunday, January 2, 2028 |
| Working days | 5 (Mon–Fri) |
| Year progress | 99% |
Days in This Week
Mon Today
Dec 27 Tue Today
Dec 28 Wed Today
Dec 29 Thu Today
Dec 30 Fri Today
Dec 31 Sat Today
Jan 1 Sun Today
Jan 2 All Weeks of 2027
Week 52 in Other Years
| Year | Start | End |
|---|---|---|
| 2026 | Dec 21, 2026 | Dec 27, 2026 |
Frequently Asked Questions
What dates are in week 52 of 2027?
Week 52 of 2027 starts on Monday, December 27, 2027 and ends on Sunday, January 2, 2028. It contains 5 working days (Monday–Friday) and a 2-day weekend (Saturday–Sunday).
What is the ISO notation for week 52, 2027?
The ISO 8601 week date notation is 2027-W52. Individual days are written as 2027-W52-1 (Monday) through 2027-W52-7 (Sunday).
How far through 2027 is week 52?
Week 52 begins around day 361 of 365, which is approximately 99% through the year.