Dec
In short
December is the twelfth and final month of the year in the Gregorian calendar.
In plain words
It is the last month before the new year begins. In many parts of the world, it is a time for winter holidays and festive celebrations.
A simple example
A person might plan a large family dinner to celebrate Christmas on the 25th of December.
Why it matters
It marks the end of the annual cycle and the start of the winter season in the Northern Hemisphere. It is a major period for global commerce and social gatherings.
Easy to mix up
It is often confused with the month of November, which is the month immediately preceding it.