How Many Weeks In 2025 Calendar Year To Date And. Also holidays, red days, flag days, namedays, days off, and dates for easter, pentecost, and midsummer. The year 2025 ends on wednesday, december 31st 2025.

List of week numbers 2025 including start date and end date of the week. It’s the week with the first thursday of the new year or the first week, including the 4th of january.