Important
Note for Teachers
about
Sunrise/Sunset Data
for Monday, March 9, 2009
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1.
For
the rest of the season, we will give you sunrise/sunset times in
two formats, Local Time and Universal
Time. Why this change? You will be using
Universal Time for next week's Longitude Clues and other clues,
so it's time to become familiar with it.
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Local
Time is the time people see on their clocks and follow
during their daily lives in each each of the world's 24 time zones.
Local time matches the sun's day/night cycle in every time zone.
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Universal Time is the same time everywhere
on Earth, in all of the world's time zones. Universal time gives
us a world clock with one world time zone. Universal time matches
standard local time in Greenwich, England (UT does not adjust for daylight saving time.)
2.
Do
students notice the changes in the sunrise/sunset times
at MC #5 and #10 since last week? This is due to the change to Daylight
Savings Time at these locations. Challenge them to discover this
in today's Journal
Page Week #6.
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