What is the local time at 120°E if it is 6:00 AM at 60°W?

What is the local time at 120°E if it is 6:00 AM at 60°W?

Step 1: Identify the time zone of 60°W. Since it is 6:00 AM there, we need to find out how many degrees away 120°E is from 60°W.
Step 2: Calculate the total degrees between 60°W and 120°E. First, convert 60°W to a positive number: 60°W is the same as -60°. So, the total difference is -60° + 120° = 180°.
Step 3: Understand that every 15 degrees of longitude corresponds to a 1-hour difference in time. Since 180° is 12 hours (because 180° ÷ 15° = 12 hours), we know there is a 12-hour difference.
Step 4: Add the 12-hour difference to the original time of 6:00 AM at 60°W. So, 6:00 AM + 12 hours = 6:00 PM.
Step 5: Conclude that the local time at 120°E is 6:00 PM.

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