What is the local time at 15°E when it is 6:00 PM at 0° longitude? (2021)

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Question: What is the local time at 15°E when it is 6:00 PM at 0° longitude? (2021)

Options:

Correct Answer: 7:00 PM

Exam Year: 2021

Solution:

The time difference is (15° / 15°) = 1 hour. Therefore, it is 6:00 PM + 1 hour = 7:00 PM.

What is the local time at 15°E when it is 6:00 PM at 0° longitude? (2021)

What is the local time at 15°E when it is 6:00 PM at 0° longitude? (2021)

Step 1: Understand that 0° longitude is the Prime Meridian, where the time is set to 6:00 PM in this question.
Step 2: Know that the Earth is divided into 360 degrees of longitude, and it takes 24 hours for the Earth to complete one full rotation.
Step 3: Calculate how many degrees of longitude correspond to one hour of time. Since 360 degrees / 24 hours = 15 degrees per hour.
Step 4: Identify that 15°E is 15 degrees east of the Prime Meridian (0° longitude).
Step 5: Since 15°E is one full hour ahead of 0° longitude, add 1 hour to the time at 0° longitude.
Step 6: Add 1 hour to 6:00 PM, which gives you 7:00 PM.

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