to make their schedules more standard
To save. Daylight.
They always crashed into each other.
Distance. Each zone is 1/24th of the Earth's circumference, or about 1000 miles at the equator and about 600 miles in the US.
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.
to make their schedules more standard
to make their schedules more standard
The railroads divided the US into four standard time zones to make their schedules more standard.
To save. Daylight.
They always crashed into each other.
The railroads divided the US into four standard time zones to make their schedules more standard.
to make their schedules more standard
The railroads
Distance. Each zone is 1/24th of the Earth's circumference, or about 1000 miles at the equator and about 600 miles in the US.
Divided the United States into time zones. APEX
Divided the United States into time zones.
Divided the United States into time zones. APEX