Weekmark

Calendar week · ISO 8601

Week 12, 2028

Monday 20 March – Sunday 26 March 2028

  1. Mon20Mar
  2. Tue21Mar
  3. Wed22Mar
  4. Thu23Mar
  5. Fri24Mar
  6. Sat25Mar
  7. Sun26Mar
ISO week
2028-W12
Copy as
CW12 (20–26 Mar)
Quarter
Q1 2028
Weeks in 2028
52
US week number
13

Week 12 is also written KW 12 (Kalenderwoche) or CW 12. 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 20 Mar to Saturday 25 Mar a different number: week 13.