Well, the Hijri date 5 Dhul Hijjah 1399 corresponds to the Gregorian date Friday, 26 October 1979. This date lies in the twelfth month of the Hijri year 1399 AH, which is Dhu Al-Hijjah of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1399/12/05 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 26 October 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 5 Dhul Hijjah 1399 AH to its equivalent Gregorian date.
ثُمَّ أَرْسَلْنَا رُسُلَنَا تَتْرَا ۖ كُلَّ مَا جَآءَ أُمَّةًۭ رَّسُولُهَا كَذَّبُوهُ ۚ فَأَتْبَعْنَا بَعْضَهُم بَعْضًۭا وَجَعَلْنَٰهُمْ أَحَادِيثَ ۚ فَبُعْدًۭا لِّقَوْمٍۢ لَّا يُؤْمِنُونَ
Then We sent our messengers one after another. Whenever its messenger came unto a nation they denied him; so We caused them to follow one another (to disaster) and We made them bywords. A far removal for folk who believe not!
Surah Al-Muminoon(23:44)
Sahih al-Bukhari
Merits of the Helpers in Madinah (Ansaar)
Chapter: The emigration of the Prophet (saws) to Al-Madina
Narrated Aisha:
Sa`d said, "O Allah! You know that there is none against whom I am eager to fight more willingly for Your Cause than those people who disbelieved Your Apostle and drove him out (of his city). O Allah! I think that You have ended the fight between us and them."
Sahih al-Bukhari 3901