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Mr. Cesaire. Solar Time Martin Van Buren High School. Aim: How do we determine the time at different cities? Do Now: In your notes, explain why our local time is different in other parts of the world. HW: Read and be familiar with pages 32-35 in your UPCO book. Question-

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Mr. Cesaire

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## Mr. Cesaire

Solar Time

Martin Van Buren High School

• Aim: How do we determine the time at different cities?

• Do Now: In your notes, explain why our local time is different in other parts of the world.

• HW: Read and be familiar with pages 32-35 in your UPCO book.

• Question-

• Who can tell me the current time in Chicago, Illinois?

• Miami, Florida?

• Houston, Texas?

• Los Angeles, California?

• Honolulu, Hawaii?

• London, England?

• How do we determine the different times around the world?

• If you have the following:

• Green review book-read pages 13-14- solar time and clock time

• What is Greenwich Mean Time (GMT)?

• How many degrees does the Earth rotate per hour?

• How is this determined?

• Solar time- the time of day at a specific longitude.

• You can find your local time based on the current solar time at Greenwich, England (GMT).

• Any location west of the Prime Meridian (GMT or UTC) is behind.

• Any location east of the Prime Meridian (GMT or UTC) is ahead.

• It takes the Earth to rotate once every 24 hours; or 360 degrees.

• 360 degrees/24 hours=?

• Now you try to find the times at different cities.

• Lines of longitude are 15 degrees apart.