Which engineer was an early champion of the 24-hour clock and time zones?
AJulius Caesar
BNuma Pompilius
CPope Gregory XIII
DSandford Fleming
Answer & Solution
Correct answer: D. Sandford Fleming
1. Reform of timekeeping in the 19th century included time zones and a prime meridian.
2. Sandford Fleming, a Canadian railway engineer, supported this programme and the 24-hour clock.
3. The others are linked to the Roman and Gregorian calendars.
_Source: Wikipedia, 24-hour clock, History_
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