Well, the Hijri date 21 Shaban 1423 corresponds to the Gregorian date Sunday, 27 October 2002. This date lies in the eighth month of the Hijri year 1423 AH, which is Shaban of 1423 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1423/08/21 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 27 October 2002 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shaban 1423 AH to its equivalent Gregorian date.
فَلَمَّا جَآءَهُم مُّوسَىٰ بِـَٔايَٰتِنَا بَيِّنَٰتٍۢ قَالُوا۟ مَا هَٰذَآ إِلَّا سِحْرٌۭ مُّفْتَرًۭى وَمَا سَمِعْنَا بِهَٰذَا فِىٓ ءَابَآئِنَا ٱلْأَوَّلِينَ
But when Moses came unto them with Our clear tokens, they said: This is naught but invented magic. We never heard of this among our fathers of old.
Surah Al-Qasas(28:36)
Sahih al-Bukhari
Hajj (Pilgrimage)
Chapter: Tawaf after the morning and 'Asr prayer
Narrated `Abdullah:
I heard the Prophet (ﷺ) forbidding the offering of prayers at the time of sunrise and sunset.
Sahih al-Bukhari 1629