Because the continental united states HAS four time zones.
Five time zones are in the continental United States from west to east: pacific, mountain, central, eastern, and Atlantic.
There are four different time zones in the continental United States. Starting from east to west, there is Eastern time, Central time, Mountain time, and Pacific Time.
Five (Eastern, Central, Mountain, Pacific, Alaska). If you include non-Continental parts of the U.S., a sixth (Hawaii) would be added to the list.A+: 4 :)four time zones for the continental United States: Eastern, Central, Mountain, and Pacific
there is 4 time zones in the u.s. that's what it gave me just put in this website,"how many numbers of zones the united states has in its 48 contiguous states:D thanks for lisining hope it's wat u looking for:)
The railroads divided the US into four standard time zones to make their schedules more standard.
The continental United States includes five time zones. The time zones in the "contiguous" 48 states are Eastern Standard Time, Central Standard Time, Mountain Standard Time, and Pacific Standard Time. Alaska is in the "continental" U.S. and has Alaska Standard Time Zone. Hawaii is not in continental U.S. It uses Hawaii-Aleutian Standard Time Zone.
Canada has six time zones, while the contiguous United States has four time zones (Eastern, Central, Mountain, and Pacific).
In the continental US, the four zones are Eastern, Central, Mountain and Pacific.
The railroads divided the US into four standard time zones to make their schedules more standard.
The railroad companies set up standard time. This system divided the United States into four time zones
There are several time zones in the continental US. Eastern, Central, Mountain, Arizona, Pacific, and Alaska.
There are four/six different time zones. There is the Eastern, Central, Mountain, and Pacific Time Zones and Hawaii and Alaska each have their own time zone. Parts of Alaska, the Aleutian Islands, do use the Hawaii Time Zone.