Well, the Hijri date 7 Shaban 1383 corresponds to the Gregorian date Monday, 23 December 1963. 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 1383/08/07 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 23 December 1963 to its equivalent Arabic date.
The following is the conversion of the Arabic date 7 Shaban 1383 AH to its equivalent Gregorian date.
قَالَ هَٰذَا رَحْمَةٌۭ مِّن رَّبِّى ۖ فَإِذَا جَآءَ وَعْدُ رَبِّى جَعَلَهُۥ دَكَّآءَ ۖ وَكَانَ وَعْدُ رَبِّى حَقًّۭا
He said: This is a mercy from my Lord; but when the promise of my Lord cometh to pass, He will lay it low, for the promise of my Lord is true.
Surah Al-Kahf(18:98)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
Allah's Saying: "And say ... Hittatun..." [i.e., (O Allah) forgive our sins] (V.7:161)
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "It was said to the children of Israel, 'Enter the gate in prostration and say Hitatun. (7.161) We shall forgive you, your faults.' But they changed (Allah's Order) and entered, dragging themselves on their buttocks and said, 'Habatun (a grain) in a Sha'ratin (hair).
Sahih al-Bukhari 4641