Well, the Hijri date 28 Shawwal 1399 corresponds to the Gregorian date Wednesday, 19 September 1979. This date lies in the tenth month of the Hijri year 1399 AH, which is Shawwal of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1399/10/28 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 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Shawwal 1399 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ لَا يُؤْمِنُونَ بِـَٔايَٰتِ ٱللَّهِ لَا يَهْدِيهِمُ ٱللَّهُ وَلَهُمْ عَذَابٌ أَلِيمٌ
Lo! those who disbelieve the revelations of Allah, Allah guideth them not and theirs will be a painful doom.
Surah An-Nahl(16:104)
Sahih al-Bukhari
Sales and Trade
Chapter: The selling of dates still on trees
Narrated Abu Huraira:
The Prophet (ﷺ) allowed the sale of the dates of 'Araya provided they were about five Awsuq (singular: Wasaq which means sixty Sa's) or less (in amount).
Sahih al-Bukhari 2190