The Burj Khalifa, the tallest building in the world, is so tall that people perceive time differently than the top and bottom floors

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The Burj Khalifa, the world's tallest tower, dominates the Dubai skyline.
The Burj Khalifa, the world’s tallest tower, dominates the Dubai skyline.Marwan Naaman / AFP via Getty Images
  • At 2,716.5 feet high, Dubai’s Burj Khalifa is the tallest building in the world.

  • It is so high that people at the top and bottom of the building have a different reading of the time.

  • The building “exceeds the earth’s local temperature and climate,” wrote author Stefan Al in his new book, “Supertall.”

People on the upper floors of the Burj Khalifa, the world’s tallest building, perceive time differently than those on lower levels.

In a new book called “Supertall”, architect Stefan Al explored the world of skyscrapers and how they affect the way we live, including the impact the world’s tallest building has on its inhabitants.

At 828 meters, or 2,716.5 feet, the Burj Khalifa is twice as tall as the Empire State Building. It far exceeds the extent of anything that has been built on Earth, wrote Al.

“I remember I first went there and I had this old camera phone – I could not even fit it in a single image. I thought it was so bizarre that you can not even fit a building in your camera lens , “told Al Insider.

From the top of the Burj, people can see so far into the Arabian desert that they see the sun go down several minutes after people on earth see it go down, according to Al’s book. It has had consequences for the Muslim population in the building: As a result of the perceived time difference, those living on the higher floors of the Burj have to wait a few extra minutes before interrupting their fast at sunset.

“The clergy in Dubai decided that residents over the 80th floor should wait another two minutes to complete their Ramadan fast. And those over the 150th should wait another three,” Al wrote in his book.

The Burj Khalifa emerges high above the clouds in Dubai.The Burj Khalifa emerges high above the clouds in Dubai.
At 828 meters (2,716.5 feet), the Burj Khalifa emerges high above the clouds in Dubai.Rustam Azmi / Getty Images

The building “also exceeds the earth’s local temperature and climate,” wrote Al. This is because the Burj is so tall that its upper half occasionally pops up above the clouds, making it unaffected by the rain pouring down at its base.

At the top of the building, the temperature on the outside is also thought to be 11 degrees Fahrenheit (6 ° C) cooler than on the ground, according to the book.

“As the air gets cooler the higher you get, you can take advantage of that height difference by having less air conditioning at the upper levels because you can use the cooler air as an intake,” Al Insider said.

“Supertall” was released on April 12 by publisher WW Norton & Company.

Read the original article on Insider