-
1600 BCE
The Moon
The moon was used to determine time because of its cycles. The moon was often used to predict a woman pregnancy by its lunar months. -
1500 BCE
The first Clocks
Around 1500 BC they stuck wood rods in the ground to measure the time of the day. They used the shadows to predict time. -
1415 BCE
Egyptian Clepsydra
A object holding water that tells the time based on the water leaking out of it. It was first created in Egypt. -
1300 BCE
The Luxor obelisk
These obelisk were used as sun dials. It also contributed to the discovery that a year is 365 days -
600 BCE
The Astrolabe
Used to tell time and latitude. It was the main navigation instrument until the sextant. -
200 BCE
Alexandria Clepsydra
This is a water clock invented around 200 BC. It was also one of the first clocks that people applied mechanics to. -
600
Incense clocks
Incense clocks were first used in China around the 6th century. It was created during the Song dynasty. -
800
Fuel Combustion Clock
Used candles to show how much time passed when they burned. It was split into three eight hour phases. -
878
The candle clock
The candle clock uses a candle as it burns to tell a certain amount of time has passed. It has been used throughout history and is still used today. -
1200
Sundial
A sundial uses sunlight on an object projecting a shadow to tell time. It is made with a flat plate and a gnomon. -
1337
The Hourglass
The clock tells a certain amount of time passed when the sand on the top of the glass goes to the bottom. This clock usually involves glass and sand or something like sand. -
1364
The Astrarium
This clock was created by Giovanni de' Dondi in the 1300s. It was created in Padova, Italy. -
The First Mechanical Clock
The first mechanical clock was invented in Europe. The first mechanical clock had the best way to tell time out of all clocks that came before it. -
Pendulum Clock
This clock uses a swinging weight to tell time. These clocks were also known as the grandfather clocks. -
Marine Chronometer
John Harrison built the first chronometer. It is a precise specialized clock and was used as a good portable time standard. -
The first Pocket watch
The first Pocket watch was invented by Abraham-Louis Perrelet. It was the first self winding mechanism of its kind. -
Equation clock
The equation clock helps the user figure out the solar time. It is the has its own category among all clocks. -
Early Electric Clock
It was the first electric Clock. Also it was invented by Francis Ronalds. -
Alarm Clock
A Alarm clock is used to make a noise or let you know when it is a specific time you have to do something at. It can also be used to tell you that the maximum amount of time you can do something has passed. -
Centrifugal Escapement Clock
This clock was invented in Connecticut. Alder Christian Clausen invented this clock in 1883. -
First Digital Clock
The first digital Clock was a german factory. A digital clock shows the time without using hands like most clocks. -
Comtoise Clock
They were called the Morvez or Morbier because they were made in the area near those villages. They are kinda like a combination of different clocks. -
First Automatic Watch
This was invented by a British watch repairer named John Harwood. It was the first automatic or self-winding wristwatch. -
Quartz Clock
It was built by Warren Marrison and J.W Horton. Also it was invented at Bell Laboratories in Canada. -
Atomic clock
Louis Essen created the first accurate atomic clock. It was invented in the UK.
