Weekmark

Calendar week · ISO 8601

Week 20, 2028

Monday 15 May – Sunday 21 May 2028

  1. Mon15May
  2. Tue16May
  3. Wed17May
  4. Thu18May
  5. Fri19May
  6. Sat20May
  7. Sun21May
ISO week
2028-W20
Copy as
CW20 (15–21 May)
Quarter
Q2 2028
Weeks in 2028
52
US week number
21

Week 20 is also written KW 20 (Kalenderwoche) or CW 20. 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 May to Saturday 20 May a different number: week 21.