Black Friday (shopping) stories resurface year upon year at this time, portraying hysteria and shortage of stock, creating a state of positive feedback. In 2014, spending volume on Black Friday fell for the first time since the 2008 recession. $50.9 billion was spent during the 4-day Black Friday weekend, down 11% from the previous year. However, the U.S. economy was not in a recession. Christmas creep has been cited as a factor in the diminishing importance of Black Friday, as many retailers now spread out their promotions over the entire months of November and December rather than concentrate them on a single shopping
Friday the 13th year being a common year starting on Tuesday (F) (e.g. 2001/02, 2012/13 and 2018/19), or from August to October the following year being a leap year starting on Saturday (BA) (e.g. 1999/2000 and 2027/28). The shortest period that occurs with a Friday the 13th is just one month, from February to March in a common year starting on Thursday (D) (e.g. 2009, 2015 and 2026). Each Gregorian 400-year cycle contains 146,097 days (with 97 leap days) or exactly 20,871 weeks. Therefore, each cycle contains the same pattern of days of the week and thus the same pattern of Fridays that