Weekmark

Calendar week · ISO 8601

Week 50, 2027

Monday 13 December – Sunday 19 December 2027

  1. Mon13Dec
  2. Tue14Dec
  3. Wed15Dec
  4. Thu16Dec
  5. Fri17Dec
  6. Sat18Dec
  7. Sun19Dec
ISO week
2027-W50
Copy as
CW50 (13–19 Dec)
Quarter
Q4 2027
Weeks in 2027
52
US week number
51

Week 50 is also written KW 50 (Kalenderwoche) or CW 50. 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 13 Dec to Saturday 18 Dec a different number: week 51.