Weekmark

Calendar week · ISO 8601

Week 34, 2025

Monday 18 August – Sunday 24 August 2025

  1. Mon18Aug
  2. Tue19Aug
  3. Wed20Aug
  4. Thu21Aug
  5. Fri22Aug
  6. Sat23Aug
  7. Sun24Aug
ISO week
2025-W34
Copy as
CW34 (18–24 Aug)
Quarter
Q3 2025
Weeks in 2025
52
US week number
34

Week 34 is also written KW 34 (Kalenderwoche) or CW 34. 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 18 Aug to Saturday 23 Aug the same number: week 34.