Well, the Hijri date 16 Ramadan 1423 corresponds to the Gregorian date Thursday, 21 November 2002. This date lies in the ninth month of the Hijri year 1423 AH, which is Ramadan of 1423 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1423/09/16 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 21 November 2002 to its equivalent Arabic date.
The following is the conversion of the Arabic date 16 Ramadan 1423 AH to its equivalent Gregorian date.
أَلَمْ تَكُنْ ءَايَٰتِى تُتْلَىٰ عَلَيْكُمْ فَكُنتُم بِهَا تُكَذِّبُونَ
(It will be said): Were not My revelations recited unto you, and then ye used to deny them?
Surah Al-Muminoon(23:105)