Well, the Hijri date 1 Shawwal 1423 corresponds to the Gregorian date Thursday, 5 December 2002. This date lies in the tenth month of the Hijri year 1423 AH, which is Shawwal of 1423 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1423/10/01 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 5 December 2002 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Shawwal 1423 AH to its equivalent Gregorian date.
وَوَهَبْنَا لَهُۥٓ إِسْحَٰقَ وَيَعْقُوبَ وَجَعَلْنَا فِى ذُرِّيَّتِهِ ٱلنُّبُوَّةَ وَٱلْكِتَٰبَ وَءَاتَيْنَٰهُ أَجْرَهُۥ فِى ٱلدُّنْيَا ۖ وَإِنَّهُۥ فِى ٱلْءَاخِرَةِ لَمِنَ ٱلصَّٰلِحِينَ
And We bestowed on him Isaac and Jacob, and We established the prophethood and the Scripture among his seed, and We gave him his reward in the world, and lo! in the Hereafter he verily is among the righteous.
Surah Al-Ankaboot(29:27)