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: The Series title, the series has no story connections to the film series of the same title, as Jason Voorhees does not make an appearance, nor does any character connected to the films. In the United Kingdom it was allegedly listed on TV schedules as "Friday's Curse" though when going to advertisement breaks on ITV it was titled "Friday the 13th: The Series". The series and the films have several cast and crew ties, however. The show's producer, Frank Mancuso, Jr., was producer of the film series from "Friday the 13th Part 2" (1981) until the final installment distributed by Paramount (""