How is fasting observed in a land where the sun does not set?

Question:
He says: Honorable Shaykh, may Allah grant you success, for those in places where the sun does not set, do they follow the calculation? Do they pray according to the nearest city to them? Their question was presented to the fiqh councils and the Council of Senior Scholars, and it was ruled that if, within twenty-four hours, night and day pass over them,

Answer:
then they fast during the day and break their fast at night, provided that night and day pass over them within twenty-four hours, even if it is brief. They fast during the day and break their fast at night. However, if night and day do not pass over them within twenty-four hours, they rely on the nearest land to them that has night and day, and they follow its practice. They follow them and time their fasting according to the timing of the nearby land where night and day pass over it within twenty-four hours. Yes.