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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 Map
The Prime
Meridian is
0⁰ longitude
Meet the Map
The Prime
Meridian is
0⁰ longitude
The International
Date Line is 180⁰
longitude
Meet the Map
The 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?
Gain a Day
Skip a Day
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?
Gain a Day
Skip a Day
If it is 9:00 am on Friday in
LA, what day and time is it
in Sydney?
Gain a Day
Skip a Day
If it is 9:00 am on Friday in
LA, what day and time is it
in Sydney?
Hint: Add 18 hours
Gain a Day
Skip a Day
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
Gain a Day
Skip a Day
If it is 6:00 pm on Saturday
in Sydney, what day and
time is it in Rome – if you
travel west?
Gain a Day
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?
Gain a Day
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
Gain a Day
Skip a Day
If it is 7:00 am on
Tuesday in Japan,
what day and time
will it be in Chicago?
Gain a Day
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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3Calculating Time Travel.pptx

  • 1. The North Carolina Geographic Alliance
  • 2. Time Zones • The world is divided into 24 time zones. The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA
  • 3. 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
  • 4. 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
  • 5. 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
  • 6. Meet the Map The Prime Meridian is 0⁰ longitude
  • 7. Meet the Map The Prime Meridian is 0⁰ longitude The International Date Line is 180⁰ longitude
  • 8. Meet the Map The Prime Meridian is 0⁰ longitude The International Date Line is 180⁰ longitude Color coded time zones
  • 9. What happens when you travel across the International Date Line?
  • 10. Gain a Day What happens when you travel across the International Date Line?
  • 11. Gain a Day Skip a Day What happens when you travel across the International Date Line?
  • 12. 2 If it is 2 pm on Tuesday in New York, what day and time it is in Los Angeles?
  • 13. 2 If it is 2 pm on Tuesday in New York, what day and time it is in Los Angeles?
  • 14. Gain a Day Skip a Day If it is 9:00 am on Friday in LA, what day and time is it in Sydney?
  • 15. Gain a Day Skip a Day If it is 9:00 am on Friday in LA, what day and time is it in Sydney? Hint: Add 18 hours
  • 16. Gain a Day Skip a Day 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
  • 17. Gain a Day Skip a Day If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome – if you travel west?
  • 18. Gain a Day 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?
  • 19. 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?
  • 20. Gain a Day 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?
  • 21. 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?
  • 22. 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
  • 23. 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
  • 24. Gain a Day Skip a Day If it is 7:00 am on Tuesday in Japan, what day and time will it be in Chicago?
  • 25. Gain a Day 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