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100
Invention of the Sundial
The first sundial was invented in 3500 B.C. in ancient Egypt to determine the time of harvest seasons. -
330
Sand Glasses
They used sand glasses to tell time. -
Jan 1, 1510
The watch
The first watch was made so it was an easier way to tell time conviently all day long even when there was no clock around. -
Jan 1, 1540
Screws are put in clocks
Screws are placed in clocks to make the hands move on their own. -
The Second Hand
The second hand was added to the clock and watch so that you could tell the exact time. -
Candles
They used to look at how much the candle has melted and could tell the estimated time.
