Thursday, 5 November 2026Issue of 1 November

Puzzle of the day · No. 7 · 19 October

A reply from Nha Trang

Lucky in Tbilisi wrote to Schulz in Nha Trang at 22:00 his own time. Schulz, as usual, took his time and replied exactly 9 hours later. What time was it for Lucky when the reply arrived?

Answer: 7:00. Nine hours pass the same in any city: 22:00 plus 9 hours is 7 in the morning for Lucky. The time difference (Nha Trang is three hours ahead) is not needed here, however much your hand wants to use it.

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