What is the local time at 45°E if it is 12:00 noon at GMT?

Practice Questions

Q1
What is the local time at 45°E if it is 12:00 noon at GMT?
  1. 3:00 PM
  2. 4:00 PM
  3. 5:00 PM
  4. 6:00 PM

Questions & Step-by-Step Solutions

What is the local time at 45°E if it is 12:00 noon at GMT?
  • Step 1: Understand that GMT (Greenwich Mean Time) is the time at the Prime Meridian (0° longitude).
  • Step 2: Know that the Earth is divided into 360 degrees of longitude.
  • Step 3: Realize that each 15 degrees of longitude corresponds to 1 hour of time difference.
  • Step 4: Calculate how many hours ahead 45°E is from GMT by dividing 45 by 15.
  • Step 5: Perform the calculation: 45 ÷ 15 = 3 hours.
  • Step 6: Since 45°E is 3 hours ahead of GMT, add 3 hours to the GMT time of 12:00 noon.
  • Step 7: Perform the addition: 12:00 noon + 3 hours = 3:00 PM.
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