Week 40 in 2023 starts on Monday, October 2, 2023, and ends on Sunday, October 8, 2023. It comprises the following days:

• Monday, October 2, 2023
• Tuesday, October 3, 2023
• Wednesday, October 4, 2023
• Thursday, October 5, 2023
• Friday, October 6, 2023
• Saturday, October 7, 2023
• Sunday, October 8, 2023

This information is consistent across all the search results.