If it is 6:00 AM at 45°E longitude, what is the time at 135°E longitude?

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Question: If it is 6:00 AM at 45°E longitude, what is the time at 135°E longitude?

Options:

Correct Answer: 10:00 AM

Solution:

135°E is 135/15 = 9 hours ahead. Therefore, 6:00 AM + 9 hours = 3:00 PM.

If it is 6:00 AM at 45°E longitude, what is the time at 135°E longitude?

If it is 6:00 AM at 45°E longitude, what is the time at 135°E longitude?

Step 1: Understand that the Earth is divided into 360 degrees of longitude.
Step 2: Know that each 15 degrees of longitude represents 1 hour of time difference.
Step 3: Calculate the difference in degrees between 135°E and 45°E: 135 - 45 = 90 degrees.
Step 4: Divide the degree difference by 15 to find the time difference in hours: 90 / 15 = 6 hours.
Step 5: Since 135°E is east of 45°E, it is ahead in time. Add the time difference to the original time.
Step 6: Start with the original time of 6:00 AM and add 6 hours: 6:00 AM + 6 hours = 12:00 PM (noon).
Step 7: Now, calculate the time at 135°E: 12:00 PM + 3 hours = 3:00 PM.

Time Zones – Understanding how time changes with longitude, specifically that every 15 degrees of longitude corresponds to a one-hour difference in time.
Longitude Calculation – Calculating the time difference based on the difference in degrees of longitude.