Well, the Hijri date 17 Shaban 1403 corresponds to the Gregorian date Sunday, 29 May 1983. This date lies in the eighth month of the Hijri year 1403 AH, which is Shaban of 1403 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1403/08/17 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 29 May 1983 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Shaban 1403 AH to its equivalent Gregorian date.
وَلَبِثُوا۟ فِى كَهْفِهِمْ ثَلَٰثَ مِا۟ئَةٍۢ سِنِينَ وَٱزْدَادُوا۟ تِسْعًۭا
And (it is said) they tarried in their Cave three hundred years and add nine.
Surah Al-Kahf(18:25)
Sahih al-Bukhari
To make the Heart Tender (Ar-Riqaq)
Chapter: The deed which is done seeking Allah's Countenance
Narrated `Utban bin Malik Al-Ansari:
who was one of the men of the tribe of Bani Salim: Allah's Messenger (ﷺ) came to me and said, "If anybody comes on the Day of Resurrection who has said: La ilaha illal-lah, sincerely, with the intention to win Allah's Pleasure, Allah will make the Hell-Fire forbidden for him."
Sahih al-Bukhari 6423