Going back to the start of the 20th century, up to the end of 2014, the 31st of December was on a Friday in 1909, 1915, 1920, 1926, 1937, 1943, 1948, 1954, 1965, 1971, 1976, 1982, 1993, 1999, 2004 and 2010. It will next be on a Friday in 2021.
December 31 2010 will be on a Friday.
In the 28-year cycle of years, beginning, for the sake of convenience, with the current year of 2011, and ending in 2038, October 31 will fall on a Friday in 2014, 2025, 2031, and 2036. For further years in which October 31 falls on a Friday, just add 28 to these four years.
December 31 1976 was on a Friday.
December 31 1982 was on a Friday.
31 December 1965 was a Friday.
31 December 1993 was a Friday.
December 31 1999 was a Friday.
December 31, 1869 was a Friday.
May 31, 2024 will fall on a Friday.
Friday
31 October 2014 will fall on a Friday.
December 31 has fallen on a Sunday in several years, including 2006, 2011, and 2017. Additionally, it will occur again in 2023 and in future years such as 2034 and 2040. The pattern of days of the week for December 31 repeats approximately every 6 or 11 years, depending on leap years.