From east to west, the standard time zones used in the 50 states of the United States are...
From the 2nd Sun. of March to the 1st Sun. of Nov., add one hour for Daylight Saving Time throughout the 50 states except Hawaii and most of Arizona.
This list does not include the three additional standard time zones of the organized unincorporated territories of the U.S.
In the US there are six time zones, they have names they are called in the US and also have Greenwich Mean Time (GMT) Zone names: * US Eastern Standard Time = GMT - 5 * US Central Standard Time = GMT - 6 * US Mountain Standard Time = GMT -7 * US Pacific Standard Time = GMT - 8 * US Alaska Standard Time = GMT - 9 * US Hawaii-Aleutian Standard Time = GMT -10 In Summer most states in the six US time zones observe Daylight Savings Time and then the name of the zone would be, for example, US Eastern Daylight Time Zone.
Canada has six time zones, while the contiguous United States has four time zones (Eastern, Central, Mountain, and Pacific).
Time zones were officially established in the US on November 18, 1883 by the railroads in order to standardize schedules. This was known as the Standard Time Act, which divided the US into four time zones: Eastern, Central, Mountain, and Pacific.
There are 4 time zones in the continental US. Alaska and Hawaii each have their own time zone.
to make their schedules more standard
The US does have six time zones. Starting from the West they are Hawaii-Aleutian, Alaska, Pacific, Mountain, Central and Eastern Zones.
In the US there are six time zones, they have names they are called in the US and also have Greenwich Mean Time (GMT) Zone names: * US Eastern Standard Time = GMT - 5 * US Central Standard Time = GMT - 6 * US Mountain Standard Time = GMT -7 * US Pacific Standard Time = GMT - 8 * US Alaska Standard Time = GMT - 9 * US Hawaii-Aleutian Standard Time = GMT -10 In Summer most states in the six US time zones observe Daylight Savings Time and then the name of the zone would be, for example, US Eastern Daylight Time Zone.
Canada has six time zones, while the contiguous United States has four time zones (Eastern, Central, Mountain, and Pacific).
The railroads divided the US into four standard time zones to make their schedules more standard.
1. Alaska-Hawaii Standard Time (AHST) 2. Yukon Standard Time (YST) 3. Pacific Standard Time (PST) 4. Mountain Standard Time (MST) 5. Central Standard Time (CST) 6. Eastern Standard Time (EST)
Time zones were officially established in the US on November 18, 1883 by the railroads in order to standardize schedules. This was known as the Standard Time Act, which divided the US into four time zones: Eastern, Central, Mountain, and Pacific.
October 11, 1883
The railroads divided the US into four standard time zones to make their schedules more standard.
to make their schedules more standard
There are 4 time zones in the continental US. Alaska and Hawaii each have their own time zone.
Before 1884 there were over 2,000 timezones in the US.
to make their schedules more standard