Question

What will be the time at Cairo (30°E) when the local

time in New York (75°W) is 5.00 a.m.?​

Answer 1

Explanation:

Longitude of Cairo = 30° E Longitude of New York = 75° W Difference in Longitude = 30° + 75° = 105° (Add because Cairo is in the East of Greenwich and New York is in the West of Greenwich). ∴ Difference in time = 105 × 4 = 420 minutes = 7 hours As New York is situated in the West of Greenwich, its local time will be behind that of Cairo.

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