Weekmark

Calendar week · ISO 8601

Week 45, 2026

Monday 2 November – Sunday 8 November 2026

  1. Mon2Nov
  2. Tue3Nov
  3. Wed4Nov
  4. Thu5Nov
  5. Fri6Nov
  6. Sat7Nov
  7. Sun8Nov
ISO week
2026-W45
Copy as
CW45 (2–8 Nov)
Quarter
Q4 2026
Weeks in 2026
53
US week number
45

Week 45 is also written KW 45 (Kalenderwoche) or CW 45. 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 2 Nov to Saturday 7 Nov the same number: week 45.