Weekmark

Calendar week · ISO 8601

Week 1, 2029

Monday 1 January – Sunday 7 January 2029

  1. Mon1Jan
  2. Tue2Jan
  3. Wed3Jan
  4. Thu4Jan
  5. Fri5Jan
  6. Sat6Jan
  7. Sun7Jan
ISO week
2029-W01
Copy as
CW1 (1–7 Jan)
Quarter
Q1 2029
Weeks in 2029
52
US week number
1

Week 1 is also written KW 1 (Kalenderwoche) or CW 1. 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 Jan to Saturday 6 Jan the same number: week 1.