Time Zones and Longitude

Front

What is a time zone?

Back

A region of the Earth that has the same standard time.

Front

What is the Prime Meridian?

Back

The Prime Meridian is the meridian (0° longitude) from which all other longitudes are measured.

Front

If a time zone is earlier than the Prime Meridian time, what direction is its longitude?

Back

West.

Front

If a time zone is later than the Prime Meridian time, what direction is its longitude?

Back

East.

Front

How many degrees of longitude does each hour of time represent?

Back

15 degrees.

Front

What is the longitude of a location that is 6 hours behind the Prime Meridian?

Back

90 W.

Front

What is the longitude of a location that is 4 hours ahead of the Prime Meridian?

Back

60 E.

Front

If it is 4:00 pm at 45 W, what time is it at 90 W?

Back

1:00 pm.

Front

What is the time difference between two locations that are 30 degrees apart in longitude?

Back

2 hours.

Front

If your local time is 2:00 pm and the Prime Meridian time is 10:00 am, what is your longitude?

Back

60 E.