Common year starting on Friday has only one Friday the 13th; The only Friday the 13th in this common year occurs in August. Leap years starting on Thursday share this characteristic, but also have another one in February. This is the only year type where the "n"th "Doomsday" (this year Sunday) is not in ISO week "n"; it is in ISO week "n"-1. In the (currently used) Gregorian calendar, the fourteen types of year (seven common, seven leap) repeat in a 400-year cycle (20871 weeks). Forty-three common years per cycle or exactly 10.75% start on a Friday. The 28-year sub-cycle does only span across century
Friday the 13th (1980 film) at the time, no well-recognized or bankable actors; aside from well-known television and movie actress Betsy Palmer. The film would take in approximately $20 million in international box office receipts. Not factoring in international sales, or the cross-over film with "A Nightmare on Elm Street"'s Freddy Krueger, the original "Friday the 13th" is the highest-grossing film of the film series. To provide context with the box office gross of films in 2014, the cost of making and promoting "Friday the 13th"—which includes the $550,000 budget and the $1 million in advertisement—is approximately $4.5 million. With regard to the US box