Editing Drive time (section)

===Multiple time zones===
Depending on the station, morning drive can start as early as 5 a.m. local time, although rarely any earlier. Because the contiguous United States, Canada, and Mexico span four to seven time zones, [[Effects of time zones on North American broadcasting|what constitutes drive time on one coast does not broadcast in drive time on the other]], which can cause issues for nationally syndicated programs; this is not as much of an issue in morning drive, which usually incorporates a [[Broadcast delay|tape delay]] to air at the same time in all time zones, as it is for afternoon drive. However this effectively means that morning shows are heavily [[New York City|New York]] or [[East Coast bias|East Coast]]–centric to allow time-shifting in all time zones, with some Central Time Zone shows making some additional headway. For all intents and purposes though, morning shows originating west of the [[Rocky Mountains|Rockies]] must additionally plan to be mid-morning offerings for the rest of the country and adjust accordingly to be office-appropriate for those stations which take the shows in the east. National satellite networks typically air their morning drive programs from 6–11&nbsp;a.m. Eastern Time, with heavy repetition. A similar situation exists in [[Russia]], which spans nine time zones. This issue is mitigated somewhat in [[Time in Canada|Canada]] and [[Time in Mexico|Mexico]], where most drive time programs are local and are unaffected by these problems. 

These issues are not present in the United Kingdom or New Zealand, where the entire country is in the same time zone. In Australia, there is a two-hour time zone difference between the eastern and western coasts; and [[Time in Australia|three time zones]]; however, other than [[Greater Perth]], most of the country's population is located in the southern and eastern portions of the country, and its time zones are only a half-hour apart.