The Clock Towers

There are seven very tall buildings in Mecca.

They are called the Clock Towers. The tallest tower has the biggest clocks in the world.

These clocks have many tiny pieces of glass on them. They also have millions of lights to help them shine. The towers have many hotels for people to stay in. There is even a large mall for shopping. These big buildings help people who visit the city. They are a very special part of the city.

The Clock Towers are a group of seven tall buildings.

They are in Mecca, Saudi Arabia. These buildings help people who visit the city. They include many hotels and a large shopping mall.

One tower is the Mecca Royal Clock Tower. It is the fourth-tallest building in the world. It is also the tallest clock tower on Earth.

The clock faces are the largest in the world.

Each face is 43 meters wide. They use 2 million LED lights to shine. The faces are covered with 98 million pieces of glass. The tower has a spire on top. This spire holds a crescent moon shape. The crescent is made of gold-colored material. It weighs 35 tonnes.

Behind the clocks, there is a scientific center. This center uses an atomic clock. An atomic clock is a very precise way to keep time. The center also helps people look for the moon. This helps them know when new months start. The whole project cost 15 billion dollars to build.

The Clock Towers are a huge group of seven skyscrapers in Mecca, Saudi Arabia.

This project is called the King Abdulaziz Endowment Project. It was made to modernize the city for many visitors. These visitors are pilgrims who travel to the city for the Hajj. The complex includes many hotels and a large shopping mall.

It is one of the most expensive building projects ever made. The total cost to build everything was 15 billion US dollars.

The main building is the Mecca Royal Clock Tower. It is the tallest building in Saudi Arabia. It is also the fourth-tallest building in the entire world.

The tower has four huge clock faces on its sides. These faces are the largest in the world. Each face is 43 meters wide. They are covered with 98 million pieces of glass mosaic. Two million LED lights help the faces shine at night. A spire sits on the very top of the tower.

This spire includes a gold-colored crescent that weighs 35 tonnes.

Building this complex was a very big job. The Saudi Binladin Group was the main builder. They are the largest construction company in the kingdom. A German company called PERROT GmbH & Co. KG made the clock. Premiere Composite Technologies built the outside of the building. Some workers had to change their religion to work there. They did this so they could visit the site in Mecca. This happened because non-Muslims were not allowed to visit the site.

There are many different towers in this group. The Mecca Royal Clock Tower is the tallest at 601 meters.

Other towers have special names like Hajar and Zamzam. The Hajar tower was finished in 2012. The Safa tower was finished in 2008. The complex was built near the Great Mosque of Mecca. This is a very sacred place for many people. The towers help provide a place for millions of people to stay.

Inside the tower, you can find science and history. There is a Clock Tower Museum on the top four floors.

Behind the clock faces, there is an astronomy exhibition. A scientific center is located in the spire base. This center uses an atomic clock to keep perfect time. This helps the tower clocks stay accurate. The center also helps people sight the moon. This is how they know when new Islamic months begin. It is a place where history and science meet.

The Clock Towers, also known as Abraj al-Bait, is a massive government-owned hotel complex in Mecca, Saudi Arabia. This project is part of the King Abdulaziz Endowment Project. The goal is to modernize Mecca to better serve its many pilgrims. The complex consists of seven skyscraper hotels. It is one of the most expensive building projects in history. The total construction cost reached US$15 billion.

The central structure is the Mecca Royal Clock Tower. It stands 601 meters tall. This makes it the tallest building in Saudi Arabia. Globally, it is the fourth-tallest building and the sixth-tallest freestanding structure. It has surpassed the Ping An Finance Centre in China. However, it remains shorter than the Burj Khalifa in the UAE. The tower also holds the record for the tallest clock tower in the world.

The clock mechanism is a marvel of engineering. The tower features four clock faces, one on each side. These faces are the largest in the world. Each face measures 43 meters in diameter. They are covered with 98 million pieces of glass mosaics. To illuminate them, engineers used 2 million LED lights. The clock is set to Arabia Standard Time. Behind the dials, an atomic clock helps control the faces. This ensures the time remains incredibly accurate.

There are seven distinct towers within this massive complex. Each tower has a specific name and purpose. The Mecca Royal Clock Tower is the tallest at 601 meters. The Hajar Tower stands 585 meters tall. The Zamzam Tower is also 585 meters. The Maqam Ibrahim tower reaches 611 meters. The Qibla tower is 611 meters. The Safa tower is 464 meters. Finally, the Marwah tower is 464 meters. These buildings provide lodging for millions of pilgrims annually.

The construction of the complex involved significant history and controversy. The site previously held the Ajyad Fortress. This was an 18th-century Ottoman citadel. The Saudi government demolished the fortress in 2002 to build the towers. This decision caused a strong reaction from Turkey. The Saudi Binladin Group served as the main developer. They are the largest construction company in the kingdom. Because the site is in Mecca, non-Muslims could not visit. Some specialists from Poland and Germany converted to Islam to work there.

The spire at the very top contains unique scientific and religious features. It includes an eight-story glass base called The Jewel. This area houses a scientific center. Scientists use this center to sight the moon. This sighting helps determine the start of Islamic months. The spire also features a large crescent. This crescent was built in Dubai in 2011. It is made of fiberglass-backed mosaic gold. It weighs up to 35 tonnes and cost 90 million UAE dirhams.

Lighting and sound play a major role in the tower's presence. On special occasions, 21,000 green and white xenon bulbs and LED lamps are used. During the five daily prayers, lights at the top flash like the Saudi flag. Strong lasers can throw rays 30 kilometers into the sky. The minaret and its base use loudspeakers for prayer calls. These calls can reach a distance of 5 kilometers. This covers an area of approximately 78 square kilometers.

The complex serves as a vital hub for religious and urban life. It sits across the piazza from the King Abdul-Aziz Gate of the Masjid al-Haram. This is the location of the Kaaba, Islam's most sacred site. The towers include a five-story shopping mall. They also feature a parking garage for over a thousand vehicles. The top four floors of the main tower house the Clock Tower Museum. This allows visitors to explore the intersection of architecture and history.