Question

How did people in earlier days measure time using the following 1 Sundial 2 Hourglass

Answer 1

Answer:

One of the earliest of all devices to tell time was the sundial. The sundial is looked on as being a form of sun-powered clock. ... There was another more advanced shadow clock or sundial in use by the ancient Egyptians around 1500 BC. This shadow clock or sundial permitted one to measure the passage of hours within a day..

Answer 2

Explanation:

(a) sundials- The movement of the shadow of a rod stuck upright in the ground, whose shadow change direction with the movement of the sun across the sky, was used to make crude sundials.

(b) hourglass- An hourglass consisted of two rounded glass bulbs connected by a narrow neck of glass. The top was filled with sand and a measured amount of sand particals stramed down from the top bulb into bottom bulb. The duration taken by sand to stream down from the top bulb into bottom bulb gave the measure of time.

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