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Not surprisingly, a sundial keeps solar time (and only while the sun is out...)
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∙ 15y ago
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What are some ancient time pieces?
a sundial
What did the Mesopotamians use the sundial for?
The sun dial was used for telling time. The sundial would cast a shadow so people know what time of day it was by where the shadow fell.
What time keeping device did the ancient Egyptians develop?
Sundial
Who discovered time?
People in the beginning used the stars, and the seasons to keep track of time. So there is no one person that discovered time. The first time devices were the sundial, hourglass, and the water clock. In the 1300's is when the first mechanical clock was invented.
Why was the first sundial invented?
It was invented by priests to honor their gods
What are 2 devices to keep time?
Sundial and metronome.
What kind of clock was invented AFTER the sundial?
the sterling silver clock was invented after the sundial
Why is a sundial not a reliable way of telling the time?
You can't use a sundial in the night when its dark but you can tell the time using a sundial in daytime
WHAT IS THE importance of the sundial?
the importance of a sundial is for people to tell time.
What did George Washington use to tell the time?
He used a portable sundial.
Why does a gnomon on a sundial have to be 45 degrees?
It doesn't. The gnomon is supposed to match the latitude of the location where the sundial is placed. If the latitude is 30 degrees and the gnomon is 45 the entire sundial will have to be tilted to keep correct time. Another way to describe this is to say that the gnomon should be parallel to the Earth's axis.
What actors and actresses appeared in Time on the Sundial - 2010?
The cast of Time on the Sundial - 2010 includes: Michael Dacquisto as Director
Does the angle of a sundial change the time?
A sundial has to be positioned correctly in order to give you a good estimate of the time.
How can we use shadow to tell the time?
You can use a sundial, which is a device that uses the position of the sun's shadow to tell time. By placing a stick or pointer on the sundial, the shadow it casts can indicate the time based on markings on the sundial's face.
why did Piggy suggest make a sundial?
Piggy suggested making a sundial as a way to keep track of time and establish a sense of order and routine on the island. He believed that having a way to measure time would help the boys maintain a sense of civilization and structure in their daily lives.
What is the name of the arm of a sundial?
The raised arm of a sundial that indicates the time of day by its shadow is the gnomon (NO-mon). A sundial has but one arm, what do you mean by secondary arm?
How do you think the sundial led to our system of telling time?
Sundials casts shadow that points to the time represented by marks of numbers. The sundial tells the solar time.
