To save. Daylight.
To make their schedules more standard
to make their schedules more standard
to make their schedules more standard
They always crashed into each other.
The railroads - Apex
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.
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 make their schedules more standard
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
The railroads - Apex
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. APEX