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post #21 of Old 04-07-2011
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Originally Posted by svHyLyte View Post
A train scheduled to arrive in Denver as 12:00 always presented the question of where 12:00 was taken. At the destination? At the point of departure? Halfway between the two?
Time zones don't solve this problem, the adoption of a convention for what "local" time is used in a given schedule did. In other words in principle we could still have every airline print its schedules solely for the time zone its headquarters is in.

Time zones just reduce the probability that most neighbors will be operating on slightly different times, at the expense of some neighbors operating on radically different times. The borders of time zones were adjusted to decrease the number of the latter kind of neighbor.

s/v Laelia - 1978 Pearson 365 ketch
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