Well, the Hijri date 20 Ramadan 1393 corresponds to the Gregorian date Tuesday, 16 October 1973. This date lies in the ninth month of the Hijri year 1393 AH, which is Ramadan of 1393 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1393/09/20 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 16 October 1973 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Ramadan 1393 AH to its equivalent Gregorian date.
يَوْمَئِذٍۢ يَتَّبِعُونَ ٱلدَّاعِىَ لَا عِوَجَ لَهُۥ ۖ وَخَشَعَتِ ٱلْأَصْوَاتُ لِلرَّحْمَٰنِ فَلَا تَسْمَعُ إِلَّا هَمْسًۭا
On that day they follow the summoner who deceiveth not, and voices are hushed for the Beneficent, and thou hearest but a faint murmur.
Surah Taa-Haa(20:108)