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You can't use a sundial in the night when its dark but you can tell the time using a sundial in daytime
the importance of a sundial is for people to tell time.
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?
A sundial is a round dial with a pointer for the sun. When placed correctly it will read the time of day.
A sundial is a way to tell time without a clock. It uses the sun and positions of shadows to tell the time. These are fairly accurate.
You can't use a sundial in the night when its dark but you can tell the time using a sundial in daytime
by having it there
sundial
Sundials casts shadow that points to the time represented by marks of numbers. The sundial tells the solar time.
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.
you never ever need a battery
sundial could be in a shadow and give no clues
reading the stars or the clock i would check somewhere else though to make sure
The Romans told time by three methods. The first was the sundial. The second was the water clock. The third was simply by looking at where the sun was in the sky.
the importance of a sundial is for people to tell time.
He used a portable sundial.
Not surprisingly, a sundial keeps solar time (and only while the sun is out...)