From Moscow (n = 2) the plane took off at 23h45 and arrived in Novosibirsk (n = 5) at 06h08. How long was he in flight?

24-00 – 23-45 + 6-08 = 6-23 time spent on the flight, excluding standard time
Time difference between Moscow and Novosibirsk = 3 hours. 6-23 – 3 hours = 3-23
3-23 hours flight time

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