The 10 largest clocks in the world

Clocks began as simple timekeepers, but some became landmarks through the use of sundials and now have reached the majestic stage set by the architecture of clocks. In addition to serving as mere instruments for measuring minutes, the world’s biggest clocks have become significant cultural symbols. Not only do they serve as landmark features in famous skylines, but they also represent distinct ages and local artistic heritage.These large structures involve perfect synchronisation of engineering, structure design, and artistry. These time-telling devices can be embedded in intricate mechanical mechanisms at the exterior of a modern skyscraper, combined into lush landscapes in public parks, or incorporated into busy shopping centres, where they create a spectacle out of the ephemeral element of time.As noted by WorldAtlas, the enormity of such clocks requires a whole new approach to construction processes. Structural engineers need to do constant calculations about the force exerted on the giant hands by heavy winds, gravity, and fast thermal expansion.An exploration of the biggest clocks in the world gives a very interesting glimpse of human ingenuity and creativity, and how they still influence the architecture of the world today.1. Makkah Royal Clock TowerThe gigantic Makkah Royal Clock Tower is an impressive giant of modern clock-making technology, towering above the vast area of the religious city of Mecca in Saudi Arabia. It features a very large size of forty-three meters, making it about six times larger than the historical London Elizabeth Tower. Moreover, its whole dial is fitted with thousands of specially designed LED lights in order to be visible from very far away, making it a perpetual guide for millions of pilgrims every year.2. Istanbul Cevahir Mall ClockPlaced right at the heart of one of the most ambitious shopping developments in Europe, the Istanbul Cevahir Mall clock features a huge timekeeping face that spans thirty-six meters across. Departing from the classic design of tower clocks, this unique clock takes the entire layout horizontal, with the face of the clock placed on the ceiling frame. With numbers as tall as three meters high, the clock face is attached to the transparent panes so that shoppers can observe the clock’s rhythmic motions while soaking in the sunlight.3. Bhestan Floral ClockResiding in the bustling suburb of Surat, which is situated in Gujarat, India, the Bhestan Floral Clock lays claim to being the biggest flower clock in the world. With a total diameter of twenty-four and a quarter meters, the colourful face of this magnificent clock is made using live flowers and plants. The mechanical gears and engine that control the movements of the flower clock are safely encased under a thick concrete slab.4. Aekyung Tower ClockThe unique and impressive timekeeper with a width of twenty-four meters installed on the exterior facade of Aekyung Tower, located in Seoul, South Korea, is considered the biggest building clock in East Asia. Built at the end of 2018 inside Hongdae, which is known for its creativity, this remarkable single-faced clock has been built intentionally to be perfectly matched with the ultra-modern buildings around.5. Park Heroyiv Floral ClockPark Heroyiv Floral Clock, installed in Kryvyi Rih in 2011 in memory of the twentieth anniversary of Ukrainian independence, includes a single face with dimensions of twenty-two meters in diameter. Being one of the two largest floral clocks in the world and the largest in Europe, the beautiful installation is decorated with thousands of flowers, which need constant care to keep their natural beauty year after year. 6. Central do Brasil Railway Station ClockOverlooking the famed Art Deco railway station in Rio de Janeiro, Brazil, is the famous Central do Brasil clock face, which has provided a focus for commuters since 1943. The bulky, four-faced tower clock is twenty meters wide and was constructed in order to ensure punctuality during one of the most important periods in South America's history regarding its transportation systems. It serves as a notable representation of early twentieth-century architecture.7. Baitul Khairaat Grand Mosque ClockPresenting itself at the impressive Baitul Khairaat Grand Mosque in Palu, Central Sulawesi, Indonesia, in 2025, the nineteen-meter-wide clock face presents itself as one of the most modern installations in the world today. In fact, it holds the record of having the biggest clock face in Indonesia as well as the largest mosque clock that is not found within Saudi Arabia. This clock has been specially constructed to illuminate at night.8. Duquesne Brewery ClockThe iconic Duquesne Brewery Clock of Pittsburgh, Pennsylvania, is one of America's greatest examples of the industrial past, overlooking the Monongahela River since 1933. Standing at a height of eighteen meters in diameter, the octagonal clock was originally constructed to be a bold marketing feature aimed at grabbing the attention of anyone passing on the water. Operated by a uniquely powerful motor inside, the single-faced structure remains a historic monument to Pittsburgh's manufacturing era.9. Gohar Park ClockRevealed in 2021 in Sirjan, a city in Kerman Province, Iran, the Gohar Park Clock measures seventeen meters in diameter with its one face. Having recently claimed the title of Iran's largest clock face from the Tehran Floral Clock in 2005, the contemporary creation holds this record proudly as it sits in the heart of a popular local park. The giant hands of the structure serve as a stunning meeting point for both tourists and locals alike.10. The Colgate ClockThis octagonal clock is located along the coast of New Jersey, overlooking the Hudson River with its view of the huge skyscrapers of Manhattan. Having a size of more than fifteen meters, this landmark has existed since 1924. It was first installed atop the building that houses the Colgate-Palmolive company offices. However, once the factory located below was demolished, the residents ensured that the face of the clock remained intact at the waterside location.