What is the local time at 45°E longitude when it is 6:00 PM GMT?

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Question: What is the local time at 45°E longitude when it is 6:00 PM GMT?

Options:

Correct Answer: 10:00 PM

Solution:

45°E is 45 * 4 = 180 minutes ahead of GMT, which is 3 hours. Therefore, 6:00 PM + 3 hours = 9:00 PM.

What is the local time at 45°E longitude when it is 6:00 PM GMT?

What is the local time at 45°E longitude when it is 6:00 PM GMT?

Step 1: Understand that GMT (Greenwich Mean Time) is the time at 0° longitude.
Step 2: Know that each degree of longitude represents a time difference of 4 minutes.
Step 3: Calculate the time difference for 45°E longitude by multiplying 45 degrees by 4 minutes per degree: 45 * 4 = 180 minutes.
Step 4: Convert 180 minutes into hours: 180 minutes ÷ 60 minutes/hour = 3 hours.
Step 5: Add the 3 hours to the GMT time of 6:00 PM: 6:00 PM + 3 hours = 9:00 PM.
Step 6: Conclude that the local time at 45°E longitude when it is 6:00 PM GMT is 9:00 PM.

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