Thirty Days Hath September Meton in the 5thcentury. Rather than adopt a new system like the Egyptian calendar, which had 12 months of 30 days each and a set, annual intercalary month of 5 days, Caesar aimed for his 46 reform to maintain as much continuity as possible with the old calendar. Ultimately, Mercedonius was removed, the four existing 31-day months were maintained, February was left unchanged apart from leap years, and the needful additional ten days of the year were added to the 29-day months to make them either 30 or 31 days long. By the Renaissance, the irregularity of the resulting system
Dump months prompted studios to release films in that genre at times of the year other than Halloween and the dump months. The term "dump months" comes from the belief that studios use the time periods in question as a "dumping ground" for movies they are contractually obligated to release but believe to have limited commercial prospects at best. "The big studios would never in a million years use this phrase", Dade Hayes, coauthor of "Open Wide: How Hollywood Box Office Became A National Obsession", told "Newsday" in August 2017. "[B]ut they do view [these times of year] as a dumping ground."