December 21 December 22, unless that date is a Sunday, in which case it's moved to the 23rd: December 22 "'Last Saturday before Christmas: December 22" Sunday before Christmas: December 23 December 26, unless that day is a Sunday, in which case the 27th: December 26 Last Friday before Christmas: December 28 Sunday after Christmas: December 30 December December is the twelfth and final month of the year in the Julian and Gregorian Calendars and is the seventh and last of seven months to have a length of 31 days. December got its name from the Latin word "decem" (meaning ten)
Delivery month futures exchanges (such as bonds, short-term interest rates, foreign exchange and US stock indexes) tend to expire quarterly, in March, June, September and December. For financial contracts traded on non-US futures exchanges, the expiration schedule may not be quarterly. This table lists the conventional letter codes used in tickers to specify delivery month: To name a specific contract in a financial futures market, the month code will follow the contract code, and in turn be followed by the year. For example, CLZ3 is the December 2023 NYMEX crude oil contract. CL denotes crude oil (crude light), Z corresponds to the