 Synchronize watches and strap in for the Letterboxd showdown poll: 24 Hours: Best Films Set on a Single Day. All films included take place over a 24-hour period except flashbacks, making time an ever-present and unavoidable additional character. RELATED: The Shortest Movies In The Letterboxd Top 250, Ranked By Length Whether set on a single ... 10 Best Films Set on a Single Day, Ranked According to Letterboxd... 