Weekmark

Calendar week · ISO 8601

Week 30, 2025

Monday 21 July – Sunday 27 July 2025

  1. Mon21Jul
  2. Tue22Jul
  3. Wed23Jul
  4. Thu24Jul
  5. Fri25Jul
  6. Sat26Jul
  7. Sun27Jul
ISO week
2025-W30
Copy as
CW30 (21–27 Jul)
Quarter
Q3 2025
Weeks in 2025
52
US week number
30

Week 30 is also written KW 30 (Kalenderwoche) or CW 30. 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 21 Jul to Saturday 26 Jul the same number: week 30.