12月, or December, is the twelfth and final month of the year in the Gregorian calendar. It has 31 days and is known for the arrival of winter in the Northern Hemisphere. Many cultures celebrate various holidays during this month, including Christmas and Hanukkah. In December, daylight hours are shorter, and temperatures often drop, leading to colder weather. This month is also associated with the end of the year, prompting many people to reflect on the past year and make resolutions for the upcoming one. December is a time for festivities, family gatherings, and seasonal traditions.