Understand how humans measured time before modern clocks using periodic natural events and early mechanical devices.
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Hook about the massive Samrat Yantra sundial.
The Samrat Yantra in Jaipur, Rajasthan, is a UNESCO World Heritage site and the world's largest stone sundial! Standing 27 metres tall, its shadow moves at 1 millimetre per second, allowing it to measure time intervals as short as 2 seconds.
How ancient humans used natural cycles to track time.
Early humans didn't have watches. Instead, they used repeating natural events to keep track of time. The cycle of the rising and setting of the Sun was used to define a single day.
Visual montage of a sundial, water clock, and hourglass.
photorealistic educational scene, shot on 35mm lens, natural lighting with soft bokeh, warm inviting color grading, gold…
Mechanisms of sundials, water clocks, and hourglasses.
In a sundial, time is determined by observing the changing position of the shadow of an object cast by the light of the Sun during the day.
Match the ancient clock to its method of measuring time.
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