December is the twelfth and last month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days.
December's flower is the narcissus or holly. December's birthstones are turquoise, lapis lazuli, zircon, topaz(blue), or tanzanite.
In Latin, decem means "ten". December was also the tenth month in the Roman calendar until a monthless winter period was divided between January and February.
December is the month with the shortest daylight hours of the year in the Northern Hemisphere and the longest daylight hours of the year in the Southern Hemisphere.
December in the Northern Hemisphere is the seasonal equivalent to June in the Southern Hemisphere and vice versa.
In the Northern hemisphere, the beginning of the meteorological winter is 1 December. In the Southern hemisphere, the beginning of the meteorological summer is 1 December.
December starts on the same day of the week as September every year. December ends on the same day of the week as April every year.