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What time is it anyways?. Some information about time zones. Why are time zones important?. -Not all the Earth can be facing the sun at the same time. -Time zones came about due to Earth’s rotation that causes day and night.

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what time is it anyways

What time is it anyways?

Some information about time zones

why are time zones important

Why are time zones important?

-Not all the Earth can be facing the sun at the same time.

-Time zones came about due to Earth’s rotation that causes day and night.

to help deal with the differences in night and day scientists have designated time zones
To help deal with the differences in night and day, scientists have designated time zones.
slide8

The starting point for time zones is the Prime Meridian.The International Date Line is the place where one calendar day changes to the next.

international date line
International Date Line
  • While the world is divided into 24 time zones, there has to be a place where there is a difference in days, somewhere the day truly starts on the planet.
  • Cross the line from the east to the west and a day is added.
  • Cross from west to the east and a day is subtracted.
here s how it works
Here’s how it works:
  • Let’s say you fly from the United States to Japan. Let’s suppose you leave the U.S> on Tuesday morning.
  • Since you’re traveling west the time advances and it’s suddenly Wednesday when you arrive home.
  • On the reverse trip home you fly from Japan to the United States. You leave Japan on Monday morning but as you cross the Pacific Ocean and the I.D.L., the day changed to Sunday.
there are six time zones in the u s eastern central mountain pacific alaska hawaii
There are six time zones in the U.S.-Eastern-Central-Mountain-Pacific-Alaska-Hawaii
slide14
In the Pacific Ocean, between North America and Asia, there is zig-zag line known as the International Date Line.