Well, the Hijri date 20 Rajab 1479 corresponds to the Gregorian date Thursday, 25 January 2057. This date lies in the seventh month of the Hijri year 1479 AH, which is Rajab of 1479 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1479/07/20 is calculated using the Umm Al-Qura calendar and the sighting of the moon. One thing to remember is that this Arabic date may occur on different Gregorian date depending upon the region and country and obviously the moon.
If you are still not sure about the date then you can use our Arabic date converter.
The following is the conversion of the Gregorian date 25 January 2057 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rajab 1479 AH to its equivalent Gregorian date.
وَٱنشَقَّتِ ٱلسَّمَآءُ فَهِىَ يَوْمَئِذٍۢ وَاهِيَةٌۭ
And the heaven will split asunder, for that day it will be frail.
Surah Al-Haaqqa(69:16)
Sahih al-Bukhari
Pilgrims Prevented from Completing the Pilgrimage
Chapter: The slaughtering before shaving the head (in case) one is prevented
Narrated Al-Miswar:
Allah's Messenger (ﷺ) slaughtered (the Hadi) before he had his head shaved and then he ordered his Companions to do the same.
Sahih al-Bukhari 1811