Well, the Hijri date 21 Dhul Qidah 1393 corresponds to the Gregorian date Saturday, 15 December 1973. This date lies in the eleventh month of the Hijri year 1393 AH, which is Dhu Al-Qidah of 1393 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1393/11/21 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 15 December 1973 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Qidah 1393 AH to its equivalent Gregorian date.
وَإِنْ عَزَمُوا۟ ٱلطَّلَٰقَ فَإِنَّ ٱللَّهَ سَمِيعٌ عَلِيمٌۭ
And if they decide upon divorce (let them remember that) Allah is Hearer, Knower.
Surah Al-Baqara(2:227)