Well, the Hijri date 21 Ramadan 1383 corresponds to the Gregorian date Tuesday, 4 February 1964. This date lies in the ninth month of the Hijri year 1383 AH, which is Ramadan of 1383 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1383/09/21 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 4 February 1964 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Ramadan 1383 AH to its equivalent Gregorian date.
فَفَهَّمْنَٰهَا سُلَيْمَٰنَ ۚ وَكُلًّا ءَاتَيْنَا حُكْمًۭا وَعِلْمًۭا ۚ وَسَخَّرْنَا مَعَ دَاوُۥدَ ٱلْجِبَالَ يُسَبِّحْنَ وَٱلطَّيْرَ ۚ وَكُنَّا فَٰعِلِينَ
And We made Solomon to understand (the case); and unto each of them We gave judgment and knowledge. And we subdued the hills and the birds to hymn (His) praise along with David. We were the doers (thereof).
Surah Al-Anbiyaa(21:79)
Sahih al-Bukhari
Judgments (Ahkaam)
Chapter: Whoever is given the right of his brother through a judicial decision
Narrated `Aisha:
(the wife of the Prophet) `Utba bin Abi Waqqas said to his brother Sa`d bin Abi Waqqas, "The son of the slave girl of Zam`a is from me, so take him into your custody." So in the year of Conquest of Mecca, Sa`d took him and said. (This is) my brother's son whom my brother has asked me to take into my custody." `Abd bin Zam`a got up before him and said, (He is) my brother and the son of the slave girl of my father, and was born on my father's bed." So they both submitted their case before Allah's Apostle. Sa`d said, "O Allah's Messenger (ﷺ)! This boy is the son of my brother and he entrusted him to me." `Abd bin Zam`a said, "This boy is my brother and the son of the slave girl of my father, and was born on the bed of my father." Allah's Messenger (ﷺ) said, "The boy is for you, O `Abd bin Zam`a!" Then Allah's Apostle further said, "The child is for the owner of the bed, and the stone is for the adulterer," He then said to Sauda bint Zam`a, "Veil (screen) yourself before him," when he saw the child's resemblance to `Utba. The boy did not see her again till he met Allah.
Sahih al-Bukhari 7182