Calculating Time Travel The North Carolina Geographic Alliance
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Calculating Time Travel
The North Carolina Geographic Alliance
Time Zones
• The world is divided into 24 time zones.
The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA
Time Zones
• The world is divided into 24 time zones. • Approximately how many degrees of
longitude divide each time zone?
The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA
Time Zones
• The world is divided into 24 time zones. • Approximately how many degrees of
longitude divide each time zone?• Hint: The world is divided into 360⁰.
The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA
Time Zones
• The world is divided into 24 time zones. • Approximately how many degrees of
longitude divide each time zone?• Hint: The world is divided into 360⁰.• Ans: approximately 15⁰ per time zone
The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA
Meet the MapThe Prime Meridian is 0⁰ longitude
Meet the MapThe Prime Meridian is 0⁰ longitude
The International Date Line is 180⁰ longitude
Meet the MapThe Prime Meridian is 0⁰ longitude
The International Date Line is 180⁰ longitude
Color coded time zones
What happens when you travel across the International Date Line?
Gain a Day What happens when you travel across the International Date Line?
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What happens when you travel across the International Date Line?
2
If it is 2 pm on Tuesday in New York, what day and time it is in Los Angeles?
2
If it is 2 pm on Tuesday in New York, what day and time it is in Los Angeles?
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If it is 9:00 am on Friday in LA, what day and time is it in Sydney?
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If it is 9:00 am on Friday in LA, what day and time is it in Sydney?
Hint: Add 18 hours
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If it is 9:00 am on Friday in LA, what day and time is it in Sydney?
Hint: Add 18 hours
Ans: 2:00 am on Saturday
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If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome – if you travel west?
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Skip a Day Ans: It is 10:00 am on Saturday
If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome?
Gain a Day
Skip a Day It is 10:00 am on Saturday
If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome?
What day and time if you travel east from Sydney to Rome?
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Skip a Day Ans: Same time!
If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome?
What day and time if you travel east from Sydney to Rome?
9 If your 10 hour flight departs Rome at 9:00 am on Sunday, what day and time will it be when you land in Denver?
An If your 10 hour flight departs Rome at 9:00 am on Sunday, what day and time will it be when you land in Denver?
Hint: add the change in time zones to the time for the flight
An If your 10 hour flight departs Rome at 9:00 am on Sunday, what day and time will it be when you land in Denver?
Hint: add the change in time zones to the time for the flight
Ans: 11:00 am on Sunday
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If it is 7:00 am on Tuesday in Japan, what day and time will it be in Chicago?
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Skip a Day
If it is 7:00 am on Tuesday in Japan, what day and time will it be in Chicago?
Ans: 10:00 pm on Monday
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