# Calculating Time Travel

## Presentation on theme: "Calculating Time Travel"— Presentation transcript:

Calculating Time Travel
The North Carolina Geographic Alliance

The North Carolina Geographic Alliance http://geo.appstate.edu/NCGA
Time Zones The world is divided into 24 time zones. The North Carolina Geographic Alliance

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

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

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

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 What happens when you travel across the International Date Line? Skip a Day

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 If it is 9:00 am on Friday in LA, what day and time is it in Sydney? Skip a Day

Gain a Day If it is 9:00 am on Friday in LA, what day and time is it in Sydney? Hint: Add 18 hours Skip a Day

Gain a Day If it is 9:00 am on Friday in LA, what day and time is it in Sydney? Hint: Add 18 hours Skip a Day Ans: 2:00 am on Saturday

Gain a Day If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome – if you travel west? Skip a Day

Gain a Day If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome? Skip a Day Ans: It is 10:00 am on Saturday

Gain a Day If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome? Skip a Day It is 10:00 am on Saturday What day and time if you travel east from Sydney to Rome?

Gain a Day If it is 6:00 pm on Saturday in Sydney, what day and time is it in Rome? Skip a Day Ans: Same time! 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 If it is 7:00 am on Tuesday in Japan, what day and time will it be in Chicago? Skip a Day

Gain a Day If it is 7:00 am on Tuesday in Japan, what day and time will it be in Chicago? Skip a Day Ans: 10:00 pm on Monday