TIL time zones were largely created due to the rapid expansion of railroads needing a more accurate way to plan train schedules. Before, each town utilized their own local time based on the sun's position.

Headmaster 7月 18, 2020
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TIL time zones were largely created due to the rapid expansion of railroads needing a more accurate way to plan train schedules. Before, each town utilized their own local time based on the sun's position. submitted by /u/chbeck
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