Either the tropic of Capricorn or the tropic of Cancer but in the middle between them is the Equator.
Answer:
The need for continental time zones stemmed directly from the problems of moving passengers and freight over the thousands of miles of rail line that covered North America by the 1880s. Since people had first begun keeping track of time, they set their clocks to the local movement of the sun.
I would say different powers
Sorry if it’s work