Since there are seven days of the week, December 3 (or any other date) will fall on a Friday once every seven years, on average.
June 1 falls on a Friday in exactly 14.5% of all years.
The odds of May 19 falling on a Friday are exactly 14%. In other words, May 19 is a Friday an average of seven times every 50 years, or once every 7.1429 years.
As of 2011, the last time December 24 fell on a Friday was in 2010.
Friday, July 13 happens in years that end on a Monday, which is exactly 14.5% of them.
December 1st fell on a Friday in the years 2000, 2006, and 2017. Additionally, it will next occur on a Friday in 2028. These dates can be determined using a perpetual calendar or by calculating the day of the week for December 1st in those years.
There is not 1, but 2 Friday the 13th's next year. Friday, 13 September and Friday, 13 December.
Since 1967, December 22 has fallen on a Friday in the years 1972, 1978, 1989, 1995, 2000, 2006, 2017, and 2023.
most recently, 2008
1984 and 1990.
The odds are exactly 14.5%, which makes the average frequency once per 6.9 years.
Every 28 years.
Taking from the start of the 20th century, the 13th of August has been on a Friday in 1909, 1915, 1920, 1926, 1937, 1943, 1948, 1954, 1965, 1971, 1976, 1982, 1993, 1999, 2004 and 2010. It will be on a Friday next in 2021.