In the month of Ramadan, fasting starts at Suhoor and ends at sunset.
But what happens when a Muslim is fasting in space?
This year, Sultan Alneyadi from the United Arab Emirates (UAE) will fast on the International Space Station (ISS).
The International Space Station is orbiting the Earth at a speed of 17,000 miles per hour, and its occupants can see the sun rise and set 16 times a day.
So how long will the fasting period of Sultan Alneyadi live there?
When he was asked the same question in February, he said that he can fast according to Greenwich Mean Time.
He said that if I get a chance, I will definitely fast in Ramadan and it is also beneficial for health.
By the way, Sultan Alneyadi is not the first Muslim to fast in the International Space Station.
In 2007, Malaysian astronaut Sheikh Muzaffar Shakur became the first Muslim astronaut to stay on the ISS during Ramadan.
For them, the National Fatwa Council of Malaysia had compiled special guidelines for worship in ISS.
These guidelines stated that Sheikh Muzaffar should not fast until his return to Earth or adopt the fasting schedule of the place from where the rocket took off for space.
According to the guidelines, the astronaut should determine the direction of the Qibla according to what he can, if it is difficult to determine, he should pray facing the earth or any direction.