Well, the Hijri date 21 Shaban 1383 corresponds to the Gregorian date Monday, 6 January 1964. This date lies in the eighth month of the Hijri year 1383 AH, which is Shaban of 1383 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1383/08/21 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 6 January 1964 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1383 AH to its equivalent Gregorian date.
قُلْ إِنَّمَآ أُنذِرُكُم بِٱلْوَحْىِ ۚ وَلَا يَسْمَعُ ٱلصُّمُّ ٱلدُّعَآءَ إِذَا مَا يُنذَرُونَ
Say (O Muhammad, unto mankind): I warn you only by the Inspiration. But the deaf hear not the call when they are warned.
Surah Al-Anbiyaa(21:45)
Sahih al-Bukhari
Judgments (Ahkaam)
Chapter: Whoever gave judgements of Li'an in the mosque
Narrated Sahl:
(the brother of Bani Sa`ida) A man from the Ansar came to the Prophet (ﷺ) and said, "If a man finds another man sleeping with his wife, should he kill him?" That man and his wife then did Lian in the mosque while I was present.
Sahih al-Bukhari 7166