The Clocks The Trains Set
Written by Studio AM.
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Before standard time became widespread, towns often set clocks using local solar time. Noon was related to the sun reaching its highest daily position, so towns farther west kept later local noon than towns to the east. For many slow journeys, a difference of a few minutes was less important than it became on a railway timetable.
Railway networks needed a shared clock for coordinating trains and passengers. Conflicting station times created confusion and could complicate safe operation. From 1840, British railway companies began adopting Greenwich time for their lines. Stations and timetables increasingly used this railway time, while local clocks did not all change at once.
In 1883, United States and Canadian railroads adopted standard time zones for their operations. Many towns followed the railway standard. In the United States, federal responsibility for time-zone boundaries began with legislation in 1918. Britain had already made Greenwich time its legal standard in 1880.
Railways helped drive this change, but observatories, public communication systems, towns, and governments also played roles. A company could impose a time standard on its own timetable; wider adoption required coordination across institutions. Modern standard time developed through that combination of practical need and public decisions.
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Questions
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Question 1 of 4
What is the main idea of the passage?
The answer is A: Railway coordination helped spread standard time, alongside observatories, local adoption, and later legislation
The passage describes railways as a major driver while including the institutions and laws involved in wider adoption.
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Question 2 of 4
What happened in 1883, according to the passage?
The answer is C: United States and Canadian railroads adopted standard zones for their operations
The third paragraph assigns railway adoption to 1883 and United States federal legislation to 1918.
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Question 3 of 4
Why were small local-time differences often less troublesome on slow journeys?
The answer is B: A few minutes mattered less than when coordinating fast travel on published timetables.
The opening contrasts the practical demands of many slow journeys with railway timetable coordination.
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Question 4 of 4
What does “impose” mean in the last paragraph?
The answer is B: established by force of authority or power
The company can establish a standard for its own operations through its authority.
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