Friday the 13th
Friday the 13th is often considered by those who believe in superstition to be a day of bad luck. The fear of Friday the 13th is called paraskavedekatriaphobia. It is a form of triskaidekaphobia, fear of the number thirteen.
The following months have a Friday the 13th:
- 2000 October
- 2001, 2007, 2018 April, July
- 2002, 2013, 2019, 2024 September, December
- 2003, 2008, 2014, 2025 June
- 2004 February, August
- 2005, 2011, 2016, 2022 May
- 2006, 2017, 2023 January, October
- 2009, 2015, 2026 February, March, November
- 2010, 2021, 2027 August
- 2012 January, April, July
- 2020 March, November
Because the Gregorian Calendar 400-year cycle has a whole number of weeks, it is not possible for exactly 1 in 7 months to have a Friday the 13th. In fact, the 13th is more likely to be a Friday than any other day of the week.
The months of Friday 13th are determined by the Dominical letter of the year
There is also a series of horror films featuring Friday the 13th in their titles. See Friday the 13th (movie)
