You take a train away from bangkok at 1: 50 a. m. on wednesday. you ride the train for 16 hours and 40 minutes, at which point you arrive in vladivostok at 9: 30 p. m. on wednesday, local time. how does vladivostok’s time zone relate to bangkok’s time zone?

The time zone in Vladivostok is 3 hours ahead of the time zone in Bangkok.

Adding the 40 minutes to 1:50 A.M., we get 2:30 A.M.
Using 12 of the 16 hours, we get 2:30 P.M.
Using the remaining 4 hours, we get 6:30 P.M.  This would be in Bangkok time.

However, in Vladivostok time, it is 9:30 P.M.  This means that the time is 3 hours ahead of Bangkok time.

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