Well, the Hijri date 15 Shawwal 1423 corresponds to the Gregorian date Thursday, 19 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 1423/10/15 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 19 December 2002 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Shawwal 1423 AH to its equivalent Gregorian date.
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ ٱذْكُرُوا۟ نِعْمَةَ ٱللَّهِ عَلَيْكُمْ إِذْ جَآءَتْكُمْ جُنُودٌۭ فَأَرْسَلْنَا عَلَيْهِمْ رِيحًۭا وَجُنُودًۭا لَّمْ تَرَوْهَا ۚ وَكَانَ ٱللَّهُ بِمَا تَعْمَلُونَ بَصِيرًا
O ye who believe! Remember Allah's favour unto you when there came against you hosts, and We sent against them a great wind and hosts ye could not see. And Allah is ever Seer of what ye do.
Surah Al-Ahzaab(33:9)
Sahih al-Bukhari
Witr Prayer
Chapter: Offering prayers of Witr while on a journey
Narrated Ibn `Umar:
The Prophet (ﷺ) used to offer (Nawafil) prayers on his Rahila (mount) facing its direction by signals, but not the compulsory prayer. He also used to pray witr on his (mount) Rahila.
Sahih al-Bukhari 1000