Time Zones and Longitude

Front

What is the Prime Meridian?

Back

The Prime Meridian is the line of 0 degrees longitude, which divides the Eastern and Western Hemispheres.

Front

How does longitude affect time zones?

Back

Each 15 degrees of longitude corresponds to a one-hour difference in time, with locations to the east of the Prime Meridian being ahead in time and those to the west being behind.

Front

If it is 3:00 pm at the Prime Meridian, what time is it at 105 E?

Back

10:00 pm.

Front

If a location's longitude is EAST, its time will be _____ than the time at the Prime Meridian.

Back

later.

Front

If a ship is located at 75 W, and the time at the Prime Meridian is 12 noon, what time is at the ship's location?

Back

7:00 am.

Front

What is the time difference for every 15 degrees of longitude?

Back

Each 15 degrees of longitude represents a one-hour difference in time.

Front

If it is 10:00 am at the Prime Meridian and you are located at 60 W, what time is it where you are?

Back

6:00 am.

Front

What is the longitude of a location if your time is 9:00 am and the Prime Meridian time is 3:00 pm?

Back

90 W.

Front

What happens to time as you move east from the Prime Meridian?

Back

Time increases, meaning it gets later.

Front

What happens to time as you move west from the Prime Meridian?

Back

Time decreases, meaning it gets earlier.