Time zones were created by the US railroads as a means of making their published service schedules easier to create and to use.
in 1878 by samford Fleming
November 18, 1883
There are 4 time zones in the continental US. Alaska and Hawaii each have their own time zone.
The railroads - Apex
The Continental US has 4 time zones. From east to west they are Eastern, Central, Mountain, and Pacific time zones.
canada
The United States started using standard time zones on November 18, 1883.
sychronize train schedules
There are 4 time zones in the continental US. Alaska and Hawaii each have their own time zone.
The railroads
The railroads - Apex
The US does have six time zones. Starting from the West they are Hawaii-Aleutian, Alaska, Pacific, Mountain, Central and Eastern Zones.
Canada uses 6 primary time zones, Unlike the United States that uses 9 primary time zones. ALL time zones go from east to west. CANADA'S TIME ZONES ARE: * Newfoundland * Atlantic * Eastern * Central * Mountain * Pacific UNITED STATES' TIME ZONES ARE: * Atlantic * Eastern * Central * Mountain * Pacific * Alaskan * Hawaii-Aleutian * Samoa * Chamorro The US and Canada have 5 time zones in common. Since there are more then one time zones within Canada and the US, we can't just say "The difference is ______" and give you a straight answer. Canada and the US have different time zones and they were listed. EDIT: Depending on whatever time zone or country (US or CANADA) you are in, the difference should be asked between the two time zones. EXAMPLE: "What is the time difference between Eastern time to Hawaii-Aleutian time?"
The Continental US has 4 time zones. From east to west they are Eastern, Central, Mountain, and Pacific time zones.
November 18, 1883
Alaska
canada
There is different parts that have time zones
The United States started using standard time zones on November 18, 1883.