Go Caroling Day
On December 20 Go Caroling Day is held. This december event in the second decade of the month is annual.
Humbug Day on December 21 (This day was created to allow us an opportunity to express our frustrations);
HumanLight Day on December 23 (is a secular holiday that focuses on the "positive, secular human values of reason, compassion, humanity and hope");
Festivus on December 23 (a holiday made popular by the sitcom Seinfeld, as an alternative to the pressures and commercialism of the Christmas season)