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Timezones
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March 20
When is the Vernal Equinox
September 22
When is the Autumnal Equinox
June 21
When is the Summer Solstice
December 21
When is the Winter Solstice
Lat. 0°
The latitude of the Sun’s Declination during the Vernal Equinox
Lat. 0°
The latitude of the Sun’s Declination during the Autumnal Equinox
Lat. 23°30’N
The latitude of the Sun’s Declination during the Summer Solstice
Lat. 23°30’S
The latitude of the Sun’s Declination during the Winter Solstice
Parallelism
The name for when earth’s rotation axis is parallel to its orientation as it revolves around the sun
Lat. 23°30’N
What is the latitude of the Tropic of Cancer
Lat. 23°30’S
What is the latitude of the Tropic of Capricorn
Lat. 66°30’N
What is the latitude of the Arctic Circle
Lat. 66°30’S
What is the latitude of the Antarctic Circle
Lat. 0°
What is the latitude of the Equator
Away
Is the Northern Hemisphere tilted towards or away from the sun during the Winter Solstice
Towards
Is the Northern Hemisphere tilted towards or away from the sun during the Summer Solstice
Summer Solstice
During what solstice does the sun’s declination hit the Tropic of Cancer
Winter Solstice
During what solstice does the sun’s declination hit the Tropic of Capricorn
True
True/False: The sun’s declination is at the equator during BOTH the Vernal Equinox and the Autumnal Equinox
Summer Solstice
When does the Arctic Circle experience 24 hours of daylight
Winter Solstice
When does the Arctic Circle experience 24 hours of darkness
15 hours
How many hours of daylight does Springfield get during the Summer Solstice
9 Hours
How many hours of daylight does Springfield get during the Winter Solstice
True
True/False: During BOTH the Autumnal Equinox and the Vernal Equinox, all latitudes experience an even 12 hours of daylight and 12 hours of darkness
West
Which direction subtracts an hour from each time zone
East
Which direction adds an hour to each time zone
7.5°
How many degrees to each side of a 15° line does a time zone exist
Back 1 day
Does passing East over the 180° Meridian result in turning the calendar back 1 day or forward 1 day
Forward 1 day
Does passing West over the 180° Meridian result in turning the calendar back 1 day or forward 1 day
15°
How many degrees is equal to one hour
Standard Time
What time zone is the Prime Meridian used as a reference for
Central Time
What time zone does Illinois fall into
Eastern Time
What time zone does New York fall into
Mountain Time
What time zone does Colorado fall into
Pacific Time
What time zone does California fall into
5 hours
How many hours does Eastern Time deviate from Standard Time
6 hours
How many hours does Central Time deviate from Standard Time
7 hours
How many hours does Mountain Time deviate from Standard Time
8 hours
How many hours does Pacific Time deviate from Standard Time
9 hours
How many hours does Alaskan Time deviate from Standard Time
10 hours
How many hours does Hawaiian Time deviate from Standard Time
(Travel Time + Time You Left) - Number of Time Zones
Equation for finding travel time over time zones going West
(Travel Time + Time You Left) + Number of Time Zones
Equation for finding travel time over time zones going East
180° Meridian
What longitude is the International Date Line very close to
2nd Sunday in March
When does “Spring Forward” occur
1st Sunday in November
When does “Fall Back” occur