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According to the U.S. Department of Transportation (49 CFR Subtitle A, Part 71: Standard Time Zone Boundries), the nine times zones of the U.S. are...
- Atlantic Zone (AST, UTC-4)
- Eastern Zone (EST/EDT; UTC-5/UTC-4)
- Central Zone (CST/CDT; UTC-6/UTC-5)
- Mountain Zone (MST/MDT; UTC-7/UTC-6)
- Pacific Zone (PST/PDT; UTC-8/UTC-7)
- Alaska Zone (AKST/AKDT; UTC-9/UTC-8)
- Hawaii-Aleutian Zone (HAST/HADT; UTC-10/UTC-9)
- Samoa Zone (SST; UTC-11)
- Chamorro Zone (ChST; UTC+10)
Some sources also show time zone information for the U.S. possessions of Wake Island (UTC+12) and Baker and Howland Islands (UTC-12), but these are not mentioned in the 2010 revision of the official document.
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∙ 12y ago
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How many time zones are there on the mainland of the US?
I'm thinkin' four
What are the names of four time zones contiguous of the US?
They are Pacific, Rocky Mountain , Central and Eastern.
How many time zones in us?
There are 4 time zones in the continental US. Alaska and Hawaii each have their own time zone.
Why did the railroads initially divide the US four standard time zones?
to make their schedules more standard
What is the number of time zones in the 48 contiguous states?
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:)
Who derived the four time zones in the US?
Originally Railroads.
What are the names of the regular time zones?
In the continental US, the four zones are Eastern, Central, Mountain and Pacific.
What are four time zones of the US?
pacific, eastern, central, mountain
How many time zones are there on the mainland of the US?
I'm thinkin' four
Why did the railroads initially divided the united States into four standard time zones?
The railroads divided the US into four standard time zones to make their schedules more standard.
Why did the railroads initially divide the United states into four standard time zones?
The railroads divided the US into four standard time zones to make their schedules more standard.
The railroads affected even the organization of time in the US by?
By introducing four standard time zones across the country.
What industry divided the US into four time zones without consent of the federal government?
The railroads
Why did the railroads initially divide the US into four time zones?
to make their schedules more standard
Why did the railroads initially US into four standard time zones?
to make their schedules more standard
What are the names of four time zones contiguous of the US?
They are Pacific, Rocky Mountain , Central and Eastern.
How many time zones in us?
There are 4 time zones in the continental US. Alaska and Hawaii each have their own time zone.
