Black Friday (partying) Black Friday (partying) Mad Friday, Frantic Friday or Black Eye Friday is a nickname for the last Friday before Christmas in the United Kingdom. It is the most popular night for office and factories Christmas parties, which consequently makes it one of the busiest nights in the year for ambulances and the police. The term Black Friday originates as "jargon" used by NHS and Police, and has entered the popular lexicon. From 2013, the press began to use the term Mad Friday to avoid confusion with the American Black Friday in November, which was growing increasingly popular in the UK
Friday the 13th the last two years, Dutch insurers received reports of an average 7,800 traffic accidents each Friday; but the average figure when the 13th fell on a Friday was just 7,500." In years which begin on the same day of the week and are of the same type (that is, whether they are a common year or leap year), Friday the 13th occurs in the same months. This sequence, given here for 1900–2099, follows a 28-year cycle from 1 March 1900 to 28 February 2100. The months with a Friday the 13th are determined by the Dominical letter (G, F, GF,