Week 52, 2027

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
Dec 27
Tue
Dec 28
Wed
Dec 29
Thu
Dec 30
Fri
Dec 31
Sat
Jan 1
Sun
Jan 2

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.