Solved UPSC CDS/OTA Question
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Q · Longitudemedium · 45s
How does longitude relate to time difference between places?
TopicLongitude
Question Typemultiple choice
Difficultymedium
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Earth rotates 15° per hour, so a change of 15° longitude causes a one-hour difference in local time.
Final Answer: Option B - Every 15° longitude change corresponds to 1 hour time difference