Current Calendar Week
CW 20
May 11 – May 17, 2026
ISO Notation
2026-W20
Week Type
Even
Quarter
Q2
Week Navigation
Calendar by Year
What Calendar Week is it Today?
Today is Calendar Week 20 (CW 20) of the year 2026.
The current week starts on Monday, May 11, 2026 and ends on Sunday, May 17, 2026.
About ISO Week Numbers
Calendar weeks follow the ISO 8601 international standard. According to this standard:
- Weeks start on Monday
- Week 1 is the week containing the first Thursday of the year
- A year has either 52 or 53 weeks
Even and Odd Weeks
The current CW 20 is an even week. This distinction is often used for shift schedules, garbage collection, or weekly alternating appointments.