Depending on the service provider, Starz provides up to twelve multiplex channels – six 24-hour multiplex channels, all of which are simulcast in both standard definition and high definition – as well as a subscription video-on-demand service (Starz On Demand). Starz broadcasts its primary and multiplex channels on Eastern and Pacific Time Zone schedules. The respective coastal feeds of each channel are usually packaged together (though most cable providers only offer the east and west coast feeds of the main Starz channel), resulting in the difference in local airtimes for a particular movie or program between two geographic locations being three hours at most.