Weekmark

Calendar week · ISO 8601

Week 4, 2029

Monday 22 January – Sunday 28 January 2029

  1. Mon22Jan
  2. Tue23Jan
  3. Wed24Jan
  4. Thu25Jan
  5. Fri26Jan
  6. Sat27Jan
  7. Sun28Jan
ISO week
2029-W04
Copy as
CW4 (22–28 Jan)
Quarter
Q1 2029
Weeks in 2029
52
US week number
4

Week 4 is also written KW 4 (Kalenderwoche) or CW 4. 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 22 Jan to Saturday 27 Jan the same number: week 4.