Well, the Hijri date 19 Rabi Al Thani 1399 corresponds to the Gregorian date Saturday, 17 March 1979. This date lies in the fourth month of the Hijri year 1399 AH, which is Rabi Al-Thani of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1399/04/19 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 17 March 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 19 Rabi Al Thani 1399 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ كَفَرُوا۟ بِٱلذِّكْرِ لَمَّا جَآءَهُمْ ۖ وَإِنَّهُۥ لَكِتَٰبٌ عَزِيزٌۭ
Lo! those who disbelieve in the Reminder when it cometh unto them (are guilty), for lo! it is an unassailable Scripture.
Surah Fussilat(41:41)
Sahih al-Bukhari
Divorce
Chapter: The separation between those who are involved in a case of Li'an.
Narrated Ibn `Umar:
Allah's Messenger (ﷺ) separated (divorced) the wife from her husband who accused her for an illegal sexual intercourse, and made them take the oath of Lian .
Sahih al-Bukhari 5313