MAKKAH Clock on top of Royal tower (Makkah, SaudiArabia)St. Peter church in Zürich (Switzerland)Aarau railway station clockBoston's Custom House TowerWrigley Building clock, Chicago
Cevahir Mall clock in Istanbul, a 36-metre clock with 3-metre-high digits laid on the transparent roof of the mall, built in 2005.
Central do Brasil clock in Rio de janeiro, a 20-metre diameter four face clock on top of a 135m tower in a railway station, built in 1943.
Duquesne Brewing Company hClock, Pittsburgh, a single 18-metre octagonal clock built by Audichron of Atlanta, Georgia, in 1933, with 8.5-metre and 6.4-metre aluminium hands.[3]
Colgate Clock (New Jersey), a 15.2 metre clock built in 1924 in New Jersey to replace the old Colgate Clock, which was moved to Indiana.
Flower clock, Tehran, a 15 metre flower clock. It weighs in at 750 kg, and was installed on 7 June 2005.[4]
Grozny-City Towers Facade Clocks, Grozny, City, Chechnya-Russia, is a 13,6 meter diameter, 2 pieces Clocks built on 140 meter height and placed Northwest and Southeast side of the highest Grozny City Tower. The clocks are built in September 2011 by Erben Kontrol/ Turkey with 7,30 m and 5,55 m pair of hands.
Allen-Bradley Clock Tower, four 12.25 meters clocks on an 86 metre tower started keeping time on October 31, 1962, biggest four-faced clock. Each hour hand is 4.8 m long and weighs 220 kg. Each minute hand is 6.1 m long and weighs 240 kg. The hour markings are 1.2 m high.
Colgate Clock (Indiana), a 12 metre clock, built in 1906 in New Jersey for the centennial of the Colgate Company. Moved to Indiana in 1924.
The floral clock in Frankfort, Kentucky, a 34 feet (10 m) face with minute and hour hands that are 20 feet (6.1 m) and 15 feet (4.6 m) long, respectively. The clock face is composed of over 10,000 individual flowers.[5]
The railway station clock of Aarau is 9 meters in diameter. It behaves almost completely like a standard Swiss railway station clock.[7]
Clock on the main building of the Moscow State University is 9 metres in diameter. There are also a barometer and a thermometer of the same size.[8]
St. Peter, Zürich, an 8.7 meters clock, built in 1534, the biggest church clock face.
Metropolitan Life Insurance Company Tower, 8 meters clocks on all four side of this 213 meters tower built in 1909. Each hours hand weighs 350 kg and each minutes hand weighs 500 kg.
Philadelphia City Hall, 7.9 meters clocks on all four sides of the metal portion of this 167 meters tower built in 1901.
Royal Liver Building clock, Liverpool, four 7.6 meters clocks on two 90 meters towers, three on the riverside tower and one on the landward tower, built in 1911.
Emerson Bromo-Seltzer Tower, Baltimore, Maryland, four 7.3 meters clocks on an 88 meters tower built in 1911. The largest four dial gravity clock in the world.
Shell Mex House, The Strand, London 7.018 meters on a 12 story Thames side building built in 1930 on the site of the Cecil Hotel.
Minneapolis City Hall, 7.0 meter clocks on four sides with chimes on the quarter, half, and full hour. 345 feet (105 m) tower. Largest four-faced chiming clock.[9][10]
Big Ben, London, 6.9 meters clocks on all four side of this 96 meters tower built in 1859.
Palace of Culture and Science, Warsaw, Poland, four 6.2 meters clocks were in 2000 on this 237 meters tower built in 1955. The world's second-tallest clock tower.
Kremlin clock, Moscow, 6.12 meters chiming clock on all four sides of the Spasskaya Tower of Moscow Kremlin. First clock on the Spasskaya Tower was installed in 16th century; current (fully mechanical) mechanism dates back to 1851.
Old City Hall, Toronto, four 6 meter clocks with chimes every quarter hour on a 103.6 meter tower. Part of Toronto's third city hall (1899), it serves as a terminating vista for Bay Street, and it was first rung at midnight, 1 January 1900.[11]
Wrigley Building, Chicago, four 19 foot 7 inch (5.97 meter) clock faces at the 25th and 26th floor levels of 30-floor 425 ft (130 m) tower. The hour hands measure 6 ft 4 in (1.93 m), and the minute hands measure 9 ft 2 in (2.79 m). The hands were originally made of redwood, but were recently replaced with aircraft aluminum for better durability. The clocks are at a prominent position, visible east and west along the Chicago River, and south along Michigan Avenue, and are frequently viewed by people on the street or in nearby buildings to check the time.[12]
