🎉 Free Chrome Extension 🎉 All-in-one time zone solution in a convenient place

The History of the Clock

May 15, 2024~4 mins read time

cover photo for blog

Clocks have played a crucial role in human civilization, evolving from simple tools to sophisticated devices that govern our daily lives. In this comprehensive history of the clock, we'll explore the origins, evolution, and impact of timekeeping devices. Whether you're curious about the first clock or how clocks have evolved over time, this guide will provide you with fascinating insights.

The First Clocks: Ancient Timekeeping

The first clocks were not the intricate mechanical devices we see today, but rather simple sundials. Ancient civilizations, such as the Egyptians and Greeks, used sundials to track the movement of the sun across the sky.

Shadow clocks and sundials

Measured the passage of time by the shadow cast by its crossbar, and was oriented eastward in the mornings, and turned around at noon, so it could cast its shadow in the opposite direction. 1200 BC

an image of a sundial

Water Clock (Clepsydra) Measured time by the regulated flow of water from or

into a vessel. Circa 1500 BCE

an image of a Water Clock

Chinese incense clocks and Candle clocks Burning of wax or incense of a pre measured

length or aria.

Chinese incense clocks

The Evolution of Mechanical Clocks

The 14th century saw the introduction of the escapement mechanism, which allowed for more precise timekeeping. This innovation regulated the release of energy in a clock, ensuring a consistent measurement of time. The escapement mechanism paved the way for the development of portable clocks and watches.

Early mechanical clocks Developed between 1280 and 1320, mainly in Europe.

They used various mechanisms, which did not need any kind of fluid power, like water or mercury, to work.

an early mechanical clock

Astronomical clocks More complex developments that were not limited to

timekeeping. For example, Wallingford's clock had a large dial and was able to show the sun, the moon's phase, a star map, and even the planets' positions. As for the first Astronomical Clock, it was believed to have been invented in China by Su Song. His invention resembled a 10m clock tower and was powered by a rotating wheel with falling water and liquid.

an image of an Astronomical clocks

The Renaissance and the Rise of the Clockmaker

The Renaissance period brought about significant advancements in clock design and craftsmanship. Clockmakers began to experiment with different materials and mechanisms, leading to the creation of intricate and decorative clocks. The addition of the pendulum by Christiaan Huygens in 1656 revolutionized accuracy, reducing timekeeping errors dramatically. By the 17th century, pocket watches became popular among the wealthy. These portable timepieces were symbols of status and craftsmanship.

Pendulum Clock Christiaan Huygens (Dutch mathematician and scientist),1656

invented the first pendulum clock, which significantly improved timekeeping accuracy by using the regular motion of a swinging pendulum to regulate the clock's mechanism.

Pendulum Clock

Marine Chronometer John Harrison (English carpenter and clockmaker), 1761, invented

the marine chronometer, a highly accurate portable timepiece crucial for determining longitude at sea, revolutionizing navigation.

an image of a Marine Chronometer

Quartz Clock Warren Marrison and J.W. Horton (American engineers), 1927,

developed the first quartz clock, which uses the vibrations of a quartz crystal to keep time with unprecedented accuracy, paving the way for modern electronic clocks.

Quartz Clock Warren Marrison and J.W. Horton

Atomic Clock Louis Essen and Jack Parry (British physicists),1955, built the first

practical atomic clock, which uses the vibrations of cesium atoms to measure time with extreme precision. Atomic clocks are the most accurate timekeeping devices and serve as the standard for international time distribution services

an image of an Atomic Clock

The Modern Era: From Wall Clocks to Smartwatches

The Industrial Revolution in the 18th and 19th centuries democratized timekeeping. Advances in manufacturing allowed for the mass production of clocks, making them affordable to a broader audience. Wall clocks and mantel clocks became common household items, and public clocks helped synchronize urban life.

Quartz Wristwatch Seiko (Japanese watch company) introduced the Astron, the world's

first quartz wristwatch (1969). This innovation brought the high accuracy of quartz timekeeping to portable, consumer-friendly devices, revolutionizing the watch industry.

Astron's first quartz wristwatch

Digital Clock Digital clocks display time using numerical digits rather than


on a dial. They became popular due to the advent of electronic displays and integrated circuits, offering easy-to-read and precise timekeeping (1960s-1970s).

an image of the first digital clock

Smartwatch IBM was the first to create a conceptual smartwatch (2000), which

was then later popularized by companies like Apple (2015).

IBM's first smartwatch

Here is a great visual explanation of the evolution of time keeping methods and technologies


The history of the clock is a testament to human ingenuity and the relentless pursuit of precision. From ancient sundials to modern smartwatches, clocks have continuously evolved to meet our changing needs. As technology advances, the future of timekeeping promises to be just as exciting and transformative.

profile picture for Sofia Kyriazidi
Sofia Kyriazidi


Share with your friends on:

    © 2024 MeetMomentum Team. All Rights Reserved.
    Contact us at: contact@meetmomentum.tech