If it is 11 AM at the prime meridian, what time is it at 30 degrees west longitude?

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Prepare for the JH Academic Bowl Test with flashcards and multiple choice questions, including hints and explanations. Elevate your confidence ahead of the exam!

Multiple Choice

If it is 11 AM at the prime meridian, what time is it at 30 degrees west longitude?

Time zones follow longitude: every 15 degrees of longitude corresponds to a one-hour difference from Greenwich Mean Time (GMT/UTC). West of the prime meridian is behind GMT, east is ahead. So 30 degrees west is 2 hours behind GMT (30 ÷ 15 = 2).

If it’s 11:00 AM at the prime meridian, at 30 degrees west it’s 2 hours earlier: 11:00 minus 2 hours = 9:00 AM. The other options would require different longitudes or moving east (ahead) instead of west.

If it is 11 AM at the prime meridian, what time is it at 30 degrees west longitude?

Prepare for the JH Academic Bowl Test with flashcards and multiple choice questions, including hints and explanations. Elevate your confidence ahead of the exam!

If it is 11 AM at the prime meridian, what time is it at 30 degrees west longitude?

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