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.
وَلَوْ أَنَّهُمْ ءَامَنُوا۟ وَٱتَّقَوْا۟ لَمَثُوبَةٌۭ مِّنْ عِندِ ٱللَّهِ خَيْرٌۭ ۖ لَّوْ كَانُوا۟ يَعْلَمُونَ
And if they had believed and kept from evil, a recompense from Allah would be better, if they only knew.
Surah Al-Baqara(2:103)
Sahih al-Bukhari
Wedlock, Marriage (Nikaah)
Chapter: Whoever had sexual intercourse with all his wives and then took one bath only
Narrated Anas bin Malik:
The Prophet (ﷺ) used to pass by (have sexual relation with) all his wives in one night, and at that time he had nine wives.
Sahih al-Bukhari 5215