
The electric alarm clock has evolved over the years, with the first mechanical alarm clock believed to have originated in Germany in the 15th century. The first American alarm clock was created in 1787 by Levi Hutchins, who designed it to wake him up at 4 a.m. The first snooze alarm was introduced by General Electric-Telechron in 1956, and the latest high-tech clocks include internet alarm clocks.
| Characteristics | Values |
|---|---|
| Date of invention | 1787 |
| Inventor | Levi Hutchins |
| Location | Concord, New Hampshire, United States |
| Purpose | To wake the inventor at 4 a.m. |
| Features | Only rang at 4 a.m., no adjustable timer |
| Patent | None |
| Later developments | In 1847, the French inventor Antoine Redier patented an adjustable mechanical alarm clock. In 1956, General Electric-Telechron marketed the first snooze alarm. |
| Pre-electric alarm clock methods | Knocker-uppers, roosters, factory whistles, sun, servants, prayer-chiming bells |
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What You'll Learn
- The first mechanical alarm clock was invented in 1787 by Levi Hutchins
- Yi Xing invented the first water-driven mechanical clock in 725
- The snooze button was introduced in 1956 by General Electric-Telechron
- The first electric alarm clocks with snooze functions were sold in 1959
- Before alarm clocks, people employed knocker-uppers to wake them up

The first mechanical alarm clock was invented in 1787 by Levi Hutchins
The history of alarm clocks goes back thousands of years. In the 5th century BCE, the Greek philosopher Plato invented a water clock that could accurately measure time and sound a whistle to wake him for his morning lectures. In the 13th century, mechanical clocks for the home were introduced, and it is likely that alarms were available very early on. The oldest alarm clock that has been referenced is a German iron wall clock with a bronze bell, probably made in Nuremberg in the 15th century.
However, the first mechanical alarm clock was invented in 1787 by Levi Hutchins, an American clockmaker from Harvard, Massachusetts. This clock is known as the first American alarm clock. Hutchins created the clock because he wanted to wake up at 4 a.m. every day, and so the device was designed to ring only at that time. It was housed in a 29-by-14-inch wooden cabinet with mirrored doors and had an extra gear that rang an attached bell. Interestingly, it took another 60 years before French inventor Antoine Redier created an adjustable mechanical alarm clock in 1847.
It should be noted that some sources state that Hutchins' invention of the alarm clock in 1787 was incorrect, as his design was predated by German and English clocks. However, Hutchins is still recognized as the first known mechanical alarm clock inventor, and his contribution to the evolution of alarm clocks is significant.
Over time, alarm clocks continued to evolve, with the addition of features such as illumination and snooze functions. In the 19th century, the classic tabletop alarm clock with a clattering bell was introduced by French and American clockmakers. The Seth Thomas Clock Company was granted a patent in 1876 for a small bedside alarm clock, contributing to the popularity of small alarm clocks in the late 1870s.
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Yi Xing invented the first water-driven mechanical clock in 725
The history of alarm clocks goes back thousands of years, with humans always looking for ways to rise on time. Before the invention of alarm clocks, workers employed 'knocker-uppers' to bang on their doors. The ancient Greeks used water clocks, and monks relied on water-driven clocks that would ring a bell to mark their daily rituals.
The first mechanical alarm clocks are believed to have originated in Germany in the 15th century, although their inventors are unknown. The oldest alarm clock referenced is a German iron wall clock with a bronze bell, probably made in Nuremberg in the 15th century. This clock was 19 inches tall and hung high on the wall to make room for the driving weights to fall.
In 1787, Levi Hutchins of Concord, New Hampshire, invented a personal alarm device to wake him at 4 a.m. Simon Willard of Grafton, Massachusetts, made alarm timepieces in the 1820s, sometimes called "lighthouse clocks". The classic tabletop alarm clock with a clattering bell was introduced by French and American clockmakers in the 19th century.
The first clock with a snooze function was made by General Electric-Telechron in 1956. The "Snooz-Alarm" allowed users to snooze for nine minutes. In 1959, Westclox introduced the first electric alarms with a snooze function for five or ten minutes.
Now, the alarm clock in its original form is endangered, as alarm apps on smartphones have become ubiquitous.
The world's first mechanical clock, invented by Yi Xing, a Buddhist mathematician and monk, in 725 AD, was known as the "Water-Driven Spherical Bird's-Eye-View Map of the Heavens". It was an astronomical instrument that also functioned as a clock. The clock was driven by a stream of falling water that turned a wheel through a full revolution in twenty-four hours. It was not a water clock, which directly measures time through the quantity of water. Instead, it was water-powered, with a complex network of wheels, hooks, pins, shafts, locks, and rods.
Yi Xing's mechanical achievements built upon the work of previous Chinese mechanical engineers, such as Zhang Heng of the Han dynasty, who was the first to apply hydraulic power to his equatorial armillary sphere. Xing's clock included a bell that chimed automatically on the hour and a drum that marked each quarter-hour. It was set up in front of the Wu Chheng Hall of the Palace for officials to see.
The name Yi Xing translates to "a single line" or "one-line" in Chinese. He was also known as Zhang Sui and gained prominence for his reforms to the imperial calendar. He was a genius, able to calculate the number of possible positions on a go board game. Xing was also a renowned poet, an engineer, and an astronomer. He built upon centuries of Chinese innovation to create his astronomical clock.
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The snooze button was introduced in 1956 by General Electric-Telechron
The history of alarm clocks goes back centuries, with the first mechanical alarm clock believed to have been created in Germany in the 15th century. However, it was not until 1956 that the world saw the introduction of the snooze button, thanks to General Electric-Telechron.
The snooze function, allowing people to silence the alarm and set it to resume a few minutes later, quickly became popular and is now considered an essential feature of alarm clocks. General Electric-Telechron's "Snooz-Alarm" was a futuristic design, but due to the size and shape of the clock's alarm gear, the snooze function only worked for nine minutes, not ten.
The "Snooz-Alarm" was the first mass-produced alarm clock with a snooze function, and it marked a significant innovation in the history of timekeeping devices. Prior to this invention, people had to rely on the sun, servants, prayer-chiming bells, factory whistles, or "knocker-uppers" to wake them up at a specific time. The snooze button offered a new level of convenience and customizability to the user, allowing for a few extra minutes of sleep without having to fully reset the alarm.
General Electric-Telechron's introduction of the snooze button in 1956 was a pivotal moment in the evolution of alarm clocks, and it continues to be a beloved feature for those who need just a little more time before starting their day. While the original "Snooz-Alarm" may not have had the intended ten-minute snooze duration, it laid the foundation for future improvements and variations, such as the Westclox Drowse alarm clocks released in 1959, which offered five or ten-minute snooze intervals.
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The first electric alarm clocks with snooze functions were sold in 1959
The history of the alarm clock is a long and fascinating one. The first mechanical alarm clocks are believed to have originated in Germany in the 15th century, though their inventors are unknown. However, it wasn't until the 19th century that the classic tabletop alarm clock with a bell became popular, introduced by French and American clockmakers. The first American alarm clock was created by Levi Hutchins in 1787, but it could only go off at 4 am and was not patented or made adjustable.
The electric alarm clock is a more recent innovation. General Electric-Telechron first marketed a snooze alarm clock in 1956, known as the "Snooz-Alarm." However, the snooze function only worked for nine minutes due to the size and shape of the clock's alarm gear. Finally, in 1959, the first Westclox Drowse (snooze) electric alarms were sold, and these clocks allowed for five or ten minutes of snooze time.
The addition of the snooze function to the electric alarm clock was a significant development, and it quickly became popular. Today, the snooze button is considered an essential feature of alarm clocks, allowing users to temporarily silence the alarm and set it to resume a few minutes later. Some modern alarm clocks also offer dual alarms and "sleep" timers, allowing users to fall asleep to music or nature sounds.
The evolution of the alarm clock continues, with more advanced features being added over time. In 2005, alarm clocks with sleep stage monitoring were introduced, using sensing technologies such as EEG electrodes and accelerometers to wake people more effectively. The latest innovations include internet-connected alarm clocks that can also function as countdown timers or stopwatches.
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Before alarm clocks, people employed knocker-uppers to wake them up
The electric alarm clock has a long history, with the earliest recorded devices dating back to the 5th century BCE. Before the invention of alarm clocks, people relied on various methods to track time and wake up at specific hours. One notable solution was the employment of "knocker-uppers" or "human alarm clocks".
Knocker-uppers were individuals hired to wake people up so they could get to work on time. This profession emerged during the Industrial Revolution in countries like the Netherlands, Britain, Ireland, and some other industrial cities. The job was often undertaken by elderly men and pregnant women, and they charged a few pence a week for their services. They roamed the city streets in the early morning hours, banging on clients' doors or using long sticks or poles to tap on upstairs windows. Some even used creative methods like pea shooters or "snuffer outers" to rouse their clients.
The work of a knocker-upper was challenging, requiring them to rise before dawn and brave harsh weather conditions. They had to be organised and ensure they woke each client at the correct time. The trade spread rapidly, especially in areas where workers had irregular shifts but couldn't afford their own watches or alarm clocks.
By the 1940s and 1950s, the profession of knocker-uppers had mostly died out, as alarm clocks became more accessible and reliable. However, in some pockets of industrial England, knocker-uppers continued their services until the early 1970s.
The development of alarm clocks progressed over the centuries, with mechanical clocks for the home possibly appearing as early as the 13th century. The oldest referenced alarm clock is a German iron wall clock with a bronze bell, likely made in Nuremberg in the 15th century. This clock is 19 inches tall and hung high on the wall to accommodate the driving weights.
In the 18th century, English clockmakers emigrated to the United States, likely bringing the idea of alarm clocks with them. The first known mechanical alarm clock inventor is Levi Hutchins, who in 1787, created a personal alarm device to wake himself up at 4 a.m. However, his invention was predated by German and English clocks.
Over time, alarm clocks became more innovative, with the addition of snooze functions and unique designs. By the 20th century, the standard bedside alarm clock became mass-produced, and in 1956, General Electric-Telechron introduced the first alarm clock with a snooze button. Today, alarm clocks continue to evolve, with internet-connected clocks and various innovative designs.
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Frequently asked questions
The first mechanical alarm clock was invented in Germany in the 15th century, but the inventor is unknown.
The first American alarm clock was invented in 1787 by Levi Hutchins in Concord, New Hampshire.
Levi Hutchins' alarm clock was invented to wake him up at 4 AM. It was a personal alarm device and he did not patent his invention.
The first snooze alarm was marketed by General Electric-Telechron in 1956.
Before the invention of alarm clocks, people relied on roosters, servants, or prayer-chiming bells to wake them up. Factory whistles were also blown to wake people up as work hours became more rigid. Some people also employed professional human alarm clocks known as "knocker-uppers" to tap on their customers' bedroom windows.











































