Well, the Hijri date 12 Rajab 1423 corresponds to the Gregorian date Thursday, 19 September 2002. This date lies in the seventh month of the Hijri year 1423 AH, which is Rajab of 1423 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1423/07/12 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 September 2002 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rajab 1423 AH to its equivalent Gregorian date.
لَقَدْ رَأَىٰ مِنْ ءَايَٰتِ رَبِّهِ ٱلْكُبْرَىٰٓ
Verily he saw one of the greater revelations of his Lord.
Surah An-Najm(53:18)
Sahih al-Bukhari
Shortening the Prayers (At-Taqseer)
Chapter: To offer Maghrib and "Isha" prayers together on a journey
Narrated Salim's father:
The Prophet (ﷺ) used to offer the Maghrib and `Isha' prayers together whenever he was in a hurry on a journey.
Sahih al-Bukhari 1106