Weekmark

Calendar week · ISO 8601

Week 42, 2028

Monday 16 October – Sunday 22 October 2028

  1. Mon16Oct
  2. Tue17Oct
  3. Wed18Oct
  4. Thu19Oct
  5. Fri20Oct
  6. Sat21Oct
  7. Sun22Oct
ISO week
2028-W42
Copy as
CW42 (16–22 Oct)
Quarter
Q4 2028
Weeks in 2028
52
US week number
43

Week 42 is also written KW 42 (Kalenderwoche) or CW 42. 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 16 Oct to Saturday 21 Oct a different number: week 43.