Weekmark

Calendar week · ISO 8601

Week 5, 2027

Monday 1 February – Sunday 7 February 2027

  1. Mon1Feb
  2. Tue2Feb
  3. Wed3Feb
  4. Thu4Feb
  5. Fri5Feb
  6. Sat6Feb
  7. Sun7Feb
ISO week
2027-W05
Copy as
CW5 (1–7 Feb)
Quarter
Q1 2027
Weeks in 2027
52
US week number
6

Week 5 is also written KW 5 (Kalenderwoche) or CW 5. 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 1 Feb to Saturday 6 Feb a different number: week 6.