The Makkah Clock Royal Tower, part of the Abraj Al-Bait complex, stands as a monumental landmark in the heart of Mecca, just steps away from the Grand Mosque. Reaching a height of 601 meters, it is one of the tallest buildings in the world and serves as a central hub for millions of pilgrims. The tower is most famous for its four-faced clock, which is the largest and highest in the world, with faces measuring 43 meters in diameter—roughly 35 times larger than London’s Big Ben.

The clock faces are adorned with over 98 million pieces of glass mosaic, much of it coated in 24-carat gold, and are illuminated by 2 million LED lights that make the time visible from up to 25 kilometers away. At the very peak sits a massive golden crescent, which houses a prayer room and a lunar observation center used for determining the Islamic calendar. The spire above the clock also features a sophisticated loudspeaker system designed to broadcast the Adhan (call to prayer) across the entire city of Mecca.

Inside, the tower primarily functions as a luxury hotel, the Fairmont Makkah Clock Royal Tower, offering premium accommodations with direct views of the Kaaba. To accommodate the massive influx of visitors, the building is equipped with an incredibly efficient elevator system capable of moving up to 75,000 people in a short window, ensuring guests can reach the Haram quickly for the five daily prayers. It remains a staggering feat of modern engineering that blends religious significance with architectural grandeur.