How Many Days In December 2025 Calendar. And see for each day the sunrise and sunset in december 2025 calendar. This year, it begins at sundown on wednesday, dec.

In total, december has 31 days and it’s the twelfth month of the year. It contains 5 weeks (49, 50, 51, 52, 01) from which 3 are full weeks (50, 51, 52).