Well, the Hijri date 21 Ramadan 1392 corresponds to the Gregorian date Saturday, 28 October 1972. This date lies in the ninth month of the Hijri year 1392 AH, which is Ramadan of 1392 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1392/09/21 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 28 October 1972 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Ramadan 1392 AH to its equivalent Gregorian date.
ثُمَّ نُكِسُوا۟ عَلَىٰ رُءُوسِهِمْ لَقَدْ عَلِمْتَ مَا هَٰٓؤُلَآءِ يَنطِقُونَ
And they were utterly confounded, and they said: Well thou knowest that these speak not.
Surah Al-Anbiyaa(21:65)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: Touching the Black Stone with a stick
Narrated Ibn `Abbas.:
In his Last Hajj the Prophet (ﷺ) performed Tawaf of the Ka`ba riding a camel and pointed a bent-headed stick towards the Corner (Black Stone).
Sahih al-Bukhari 1607