When it is noon along 82° 30' longitude, along what degree of longitude it will be 6.30 a.m.?

When it is noon along 82° 30' longitude, along what degree of longitude it will be 6.30 a.m.? Correct Answer 0° E or W

When it is noon along 82° 30' longitude, along 0° E or W degree of longitude it will be 6.30 a.m. The Earth has been divided into 24 time zones of one hour each. Each of these zones covers 15° of longitude.

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