According to Qatar Calendar House the fasting time throughout Ramadan will vary from a minimum of 15 hours 2 minutes to a maximum of 15 hours 16 minutes.
Famous astronomer Dr Beshir Marzouk and Qatar Calendar House president Dr Mohamed al-Ansari said that Ramadan 1438 would start on May 27 and end on June 24, according to astronomical calculations.
The fasting hours will differ as the Fajr prayer time and sunset time will changes every day.
The first day of Ramadan will have the least fasting hours i.e. 15 hours 2 minutes, while the maximum (15 hours 16 minutes) will be on three days – Ramadan 25, 26 and 29, or June 20, 21 and 24, respectively.
Makkah in Saudi Arabia will have a shorter fasting period than Qatar, varying from 14 hours 45 minutes to 14 hours 55 minutes, Qatar Calendar House adds.