How often does the 13th day of a month fall on a Friday. Between years 2010 and 2020 this occurs 20 times:
- Friday, 13 August 2010
- Friday, 13 May 2011
- Friday, 13 January 2012
- Friday, 13 April 2012
- Friday, 13 July 2012
- Friday, 13 September 2013
- Friday, 13 December 2013
- Friday, 13 June 2014
- Friday, 13 February 2015
- Friday, 13 March 2015
- Friday, 13 November 2015
- Friday, 13 May 2016
- Friday, 13 January 2017
- Friday, 13 October 2017
- Friday, 13 April 2018
- Friday, 13 July 2018
- Friday, 13 September 2019
- Friday, 13 December 2019
- Friday, 13 March 2020
- Friday, 13 November 2020
Friday the 13th, lucky or unlucky
