Well, the Hijri date 18 Dhul Qidah 1379 corresponds to the Gregorian date Friday, 13 May 1960. This date lies in the eleventh month of the Hijri year 1379 AH, which is Dhu Al-Qidah of 1379 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1379/11/18 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 13 May 1960 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Dhul Qidah 1379 AH to its equivalent Gregorian date.
وَلَقَدْ قَالَ لَهُمْ هَٰرُونُ مِن قَبْلُ يَٰقَوْمِ إِنَّمَا فُتِنتُم بِهِۦ ۖ وَإِنَّ رَبَّكُمُ ٱلرَّحْمَٰنُ فَٱتَّبِعُونِى وَأَطِيعُوٓا۟ أَمْرِى
And Aaron indeed had told them beforehand: O my people! Ye are but being seduced therewith, for lo! your Lord is the Beneficent, so follow me and obey my order.
Surah Taa-Haa(20:90)