Weekmark

Calendar week · ISO 8601

Week 25, 2026

Monday 15 June – Sunday 21 June 2026

  1. Mon15Jun
  2. Tue16Jun
  3. Wed17Jun
  4. Thu18Jun
  5. Fri19Jun
  6. Sat20Jun
  7. Sun21Jun
ISO week
2026-W25
Copy as
CW25 (15–21 Jun)
Quarter
Q2 2026
Weeks in 2026
53
US week number
25

Week 25 is also written KW 25 (Kalenderwoche) or CW 25. 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 15 Jun to Saturday 20 Jun the same number: week 25.