Weekmark

Calendar week · ISO 8601

Week 19, 2027

Monday 10 May – Sunday 16 May 2027

  1. Mon10May
  2. Tue11May
  3. Wed12May
  4. Thu13May
  5. Fri14May
  6. Sat15May
  7. Sun16May
ISO week
2027-W19
Copy as
CW19 (10–16 May)
Quarter
Q2 2027
Weeks in 2027
52
US week number
20

Week 19 is also written KW 19 (Kalenderwoche) or CW 19. 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 10 May to Saturday 15 May a different number: week 20.