Timeline of Timekeeping Devices

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Explore ancient timekeeping through key devices.

Saparali Adilet

Kazakhstan

#	Player	Accuracy	time
1	Saparali Adilet November 18, 2025	% 100	15:02

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Fill in the Blanks Timeline of Timekeeping DevicesOnline version Explore ancient timekeeping through key devices. by Saparali Adilet 1 Sundials are the earliest known timekeeping devices , used from at least 3500 BCE . They consisted of a flat , made from stone or wood , with markings on it and a on top . The cast by the stick in the light of the sun could tell observers what part of the day it was . Obelisks , like sundials , used the shadow created by the sun to the day into parts , but in this case the stick was a monument . The dates bask to ancient Egypt , but has not been forgetten . The shadow by the Washington Monument in Washington , D . C . , USA can be used to tell the time . Water clocks , also called clepsydras , have been in since at least 1500 BCE . They use the of water to measure the of time . They were originally stone and were used by the ancient Egyptians and Babylonians . Oil - lamp clocks were glass containers with oil . A wick was placed in the oil and . As the wick and the oil was used up , markings on the container could be used to indicate how much time had passed . Oil lamps were at the paek of their popularity in the 18th century , and are very rarely used today .