The National Astronomical and Geophysics Research Institute in Cairo confirmed that astronomical calculations conducted by the institute's scientists indicated that the month of Dhu al-Hijjah would be astronomical on Friday, corresponding to August 2, so the first day of Eid al-Adha will be on Sunday, August 11, Sky News reported on its website.
The newspaper said the institute said in a statement that Hilal of the month of Dhu al-Hijjah 1440 will be born at exactly five and 12 minutes at dawn local time for the city of Cairo next Thursday on the first of August and the month of 29 this month (the day of vision).
The new crescent will remain in the skies of Mecca for 30 minutes and in Cairo for 32 minutes after sunset on the day of vision. In the Arab and Islamic capitals and cities, the new crescent will remain after sunset for 17 to 39 minutes.
The Astronomical Research Institute said that Friday is the morning of the Dhu al-Hijjah, so that the day to stand on Arafah on the tenth of August, and the first day of Eid al-Adha on Sunday, August 11 according to "astronomical calculations."