Calendar Weeks

This week is Calendar Week 43

10/20/2025 - 10/26/2025
Calendar Week 2025 |

When is the 43th week number 2025?

Calendar Week (week number) 43 is from Monday, October 20, 2025
until (and including) Sunday, October 26, 2025.

What's the Current Week Number?

The current week (week 43) is highlighted.

Find more info on our main Calendar 2025 with Week Numberss page.

The highest week number in a year is either 52 or 53.