January 2025 Calendar With Week Numbers 1 31st August. Weeks are according united states calendar rules, sunday first day and weeks are sunday to saturday. 55 rows this page lists all weeks in 2025.

Here, you’ll find all 52 weeks of the year, each starting on monday and wrapping up on sunday. It contains 5 weeks (01, 02, 03, 04, 05) from which 3 are full weeks (02, 03, 04).