How Many Days In 2025 Calendar Year. The day of the year: There are 7 months with 31 days, 4 months with 30 days, and 1 month with 28 days in 2025, or 52 weeks and 1 day in 2025 when counting by weeks.

Leap year occures every 4 years. 366 rows this page lists all days in 2025 with day and week numbers.