The date of Arafah Day and Eid al-Adha 2026 astronomically... Full details of the beginning of Dhu al-Hijjah 1447 AH

Arab Weather - The eyes of the Islamic world are turning towards the start date of the month of Dhul-Hijjah 1447 AH for the year 2026 , which directly determines the date of the Day of Arafah and the blessed Eid al-Adha , amid anticipation of the announcement of the legitimate sighting of the crescent.

According to astronomical calculations, the central conjunction (new moon) will occur on Saturday, May 16, 2026 at 11:01 PM Saudi time, one day before the crescent moon sighting.

During the sighting day, Sunday, May 17, 2026, data indicates that the sun sets in Riyadh at 6:30 PM, while the moon sets at 7:29 PM, meaning that its duration on the horizon reaches about 59 minutes, with the age of the crescent reaching about 19 hours and 29 minutes, which are astronomical indicators that support the possibility of seeing it if the atmosphere is clear.

Beginning of the month of Dhul-Hijjah 1447 AH

Astronomical calculations indicate that Monday, May 18, 2026, is the first day of the month of Dhu al-Hijjah 1447 AH, according to astronomical calculations, provided that official confirmation is made through the competent legal authorities in Islamic countries.

Date of Arafah Day 2026

Accordingly, Tuesday, May 26, 2026 is expected to be the Day of Arafah , which is the greatest day of Hajj and its most important spiritual milestone.

First day of Eid al-Adha 2026

It is also expected that Wednesday, May 27, 2026 (10 Dhu al-Hijjah 1447 AH) will be the first day of Eid al-Adha in most Islamic countries.

Note: These dates remain astronomically estimated and are officially adopted based on the confirmed sighting of the crescent moon of Dhu al-Hijjah.