Well, the Hijri date 14 Dhul Qidah 1399 corresponds to the Gregorian date Friday, 5 October 1979. This date lies in the eleventh month of the Hijri year 1399 AH, which is Dhu Al-Qidah of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1399/11/14 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 5 October 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 14 Dhul Qidah 1399 AH to its equivalent Gregorian date.
وَلَا تَبْخَسُوا۟ ٱلنَّاسَ أَشْيَآءَهُمْ وَلَا تَعْثَوْا۟ فِى ٱلْأَرْضِ مُفْسِدِينَ
Wrong not mankind in their goods, and do not evil, making mischief, in the earth.
Surah Ash-Shu'araa(26:183)