Well, the Hijri date 4 Shaban 1399 corresponds to the Gregorian date Thursday, 28 June 1979. This date lies in the eighth month of the Hijri year 1399 AH, which is Shaban of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1399/08/04 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 28 June 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Shaban 1399 AH to its equivalent Gregorian date.
وَهِىَ تَجْرِى بِهِمْ فِى مَوْجٍۢ كَٱلْجِبَالِ وَنَادَىٰ نُوحٌ ٱبْنَهُۥ وَكَانَ فِى مَعْزِلٍۢ يَٰبُنَىَّ ٱرْكَب مَّعَنَا وَلَا تَكُن مَّعَ ٱلْكَٰفِرِينَ
And it sailed with them amid waves like mountains, and Noah cried unto his son - and he was standing aloof - O my son! Come ride with us, and be not with the disbelievers.
Surah Hud(11:42)
