Solved UPSC CDS/OTA Question
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Q · Longitudemedium · 45s
What is the significance of the Prime Meridian for global timekeeping?
TopicLongitude
Question Typemultiple choice
Difficultymedium
Test Duration30 min
Step-by-Step Solution
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The Prime Meridian, at 0° longitude, is the reference line from which all other longitudes and time zones are calculated. It is the basis for Greenwich Mean Time (GMT), the world's standard time.
Final Answer: Option B - It serves as the starting point for measuring longitude and time zones