They always crashed into each other.
To make their schedules more standard :)
to make their schedules more standard
To save. Daylight.
to make their schedules more standard
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 save. Daylight.
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
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.
by setting standard time zones to keep trains on schedule. The companies agreed to divide the continent into four time zones; the dividing lines adopted were very close to the ones we still use today.
Divided the United States into time zones. APEX