Calendar week · ISO 8601
Week 49, 2026
Monday 30 November – Sunday 6 December 2026
- Mon30Nov
- Tue1Dec
- Wed2Dec
- Thu3Dec
- Fri4Dec
- Sat5Dec
- Sun6Dec
- ISO week
2026-W49- Copy as
CW49 (30 Nov – 6 Dec)- Quarter
- Q4 2026
- Weeks in 2026
- 53
- US week number
- 49
Week 49 is also written KW 49 (Kalenderwoche) or CW 49. ISO weeks start on Monday, and week 1 is the week with the year’s first Thursday. US calendars start weeks on Sunday and count the week with 1 January as week 1, so they give Monday 30 Nov to Saturday 5 Dec the same number: week 49.