Calendar week · ISO 8601
Week 43, 2028
Monday 23 October – Sunday 29 October 2028
- Mon23Oct
- Tue24Oct
- Wed25Oct
- Thu26Oct
- Fri27Oct
- Sat28Oct
- Sun29Oct
- ISO week
2028-W43- Copy as
CW43 (23–29 Oct)- Quarter
- Q4 2028
- Weeks in 2028
- 52
- US week number
- 44
Week 43 is also written KW 43 (Kalenderwoche) or CW 43. 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 23 Oct to Saturday 28 Oct a different number: week 44.