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The Epoch of
Precise Time is Here
Accurate timekeeping is a catalyst for moving technology forward. SiTime timing solutions are based on MEMS technology to produce advanced timing devices. MEMS timing is setting new benchmarks with unmatched performance and reliability. Enter a new epoch of precision with SiTime.
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Explore the Epoch Platform
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From the earliest mappings of the celestial skies to precision instruments of today, The Story of Timekeeping is a look through history at the engineering marvels
that mastered time.
A historical journey through the engineering marvels that mastered time.
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1
Stonehenge
Stonehenge, one of the earliest astronomical calculators, tracks the summer solstice with incredible precision. This early fascination with celestial movements foreshadows humanity’s enduring quest for accurate timekeeping.
2
First Known Sundial
The first sundials marked our early steps in the science of timekeeping by measuring shadows to track the passage of time.
3
Earliest Recorded Water Clock
The flow of water became the flow of time with the invention of the water clock. These ingenious devices saw continuous improvement throughout the centuries.
4
The Antikythera Mechanism
The world's first analog computer didn’t run on electricity but on gears and dials. The Antikythera Mechanism, precise for its time, is an early testament to the intricate balance between engineering and timekeeping.
5
The Julian Calendar
Julius Caesar’s Julian Calendar redefined timekeeping for over a millennium, even outlasting the Roman Empire. Its leap year adjustment was a step forward in accuracy, though a few minutes off from the solar year.
6
The Candle Clock
The delicate burn of a candle became our timekeeper during the darker hours. Marked with intervals, these early timers added to our understanding of regularity and the concept of standardized time.
7
The Hourglass
We found a way to measure hours and minutes more accurately in the grains of an hourglass. The simplicity and elegance of this design have endured, reminding us that time is constantly slipping away.
8
The Su Song Water Clock
With its escapement mechanism and rotating armillary sphere, Chinese scholar Su Song's water-powered clock showcased the heights of medieval engineering and was the most accurate clock in the world for three centuries.
9
The Mechanical Clock
The advent of mechanical clocks revolutionized timekeeping with their increased accuracy, helping to standardize life’s rhythms. Many were installed in prominent public places, reinforcing their significance in community life.
10
The Prague Clock
One of the oldest functioning astronomical clocks, Prague’s engineering wonder showcases the positions of celestial bodies. Medieval clocks in city centers provided a sense of civic pride and helped organize daily life.
11
The Gregorian Calendar
The Gregorian Calendar, an answer to the need for precision, ‘lost’ ten days in October 1582 to realign the calendar with the solar year. This global timekeeping standard remains in place today.
12
Galileo's Theory
Isochronism – the theory that a pendulum takes the same amount of time to swing back and forth, no matter how big or small the swing is – paved the way for the pendulum clock, vastly improving timekeeping accuracy.
13
Huygens Pendulum
Christiaan Huygens brought timekeeping into the realm of seconds with his pendulum clock. Far more accurate than their predecessors, pendulum clocks were a critical development on the road to modern precision timekeeping.
14
The Marine Chronometer
Solving the ‘longitude problem’, John Harrison’s Marine Chronometer saved countless lives at sea. It marked a significant step forward in our ability to measure time, and our place within it, accurately.
15
Big Ben
Big Ben, more than just a cultural icon, stands as a testament to Victorian engineering prowess. Even after 150 years, its timekeeping precision is a benchmark, reminding us of the centuries-long journey toward timekeeping accuracy.
16
Greenwich Mean Time
Enter a global zero hour. This standardized reference is the basis for time zones and enables us to coordinate accurate and consistent time, worldwide.
17
The Shortt Clock
In the early 20th century, the Shortt clock, a highly accurate free pendulum clock, became the standard for international timekeeping. For a time, it was the most precise timekeeping device on Earth.
18
The Quartz Clock
Leveraging the stable vibrations of quartz crystals, the quartz clock served as an important bridge to more sophisticated technologies and expanded our horizons in time measurement.
19
The Transistor
A key component in all modern electronic devices and a fundamental building block for the digital age. The transistor allowed time to go digital and become a ubiquitous part of everyday life.
20
The Quartz Watch Prototype
The quartz watch brought laboratory-grade timekeeping to the wrist, highlighting the interplay between precision, design, and accessibility. This wearable feat of engineering made precise timekeeping widely available.
21
The GPS Block 1 Satellite
The GPS system, which relies on exact timing signals from multiple satellites, transformed navigation on a global scale. To keep accurate time, the system even accounts for the effects of Einstein’s Theory of Relativity.
22
SiTime
SiTime mastered micro-electromechanical systems (MEMS) technology, pioneering a new era in precision timing. Our engineering pushes the boundaries of precision and is found at the heart of billions of electronic devices.
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Dive deep into the advancements in timekeeping that shaped our world, from early humankind’s stargazing through Galileo and Newton to today’s most advanced MEMS oscillators.

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