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Earn +20 ptsQ: Do sundials have to be round?
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When did they use sundials?
There is no specific date stated as to when sundials were first used.
Why were sundials used?
Sundials were used to tell time, back without watches.
Are sundials accurate?
no because its not like a clock in our days.
How are sundials useful?
In olden days, they allowed people to tell the time.
What does the x on a sundial mean?
Sundials are usually labelled using Roman numerals, so the X would represent 10 o'clock. As sundials tend to work best with sunlight, 10pm would be dark, so the X would represent 10am.
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