Well, the Hijri date 21 Shawwal 1396 corresponds to the Gregorian date Thursday, 14 October 1976. This date lies in the tenth month of the Hijri year 1396 AH, which is Shawwal of 1396 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1396/10/21 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 14 October 1976 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shawwal 1396 AH to its equivalent Gregorian date.
بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ لَمْ يَكُنِ ٱلَّذِينَ كَفَرُوا۟ مِنْ أَهْلِ ٱلْكِتَٰبِ وَٱلْمُشْرِكِينَ مُنفَكِّينَ حَتَّىٰ تَأْتِيَهُمُ ٱلْبَيِّنَةُ
Those who disbelieve among the People of the Scripture and the idolaters could not have left off (erring) till the clear proof came unto them,
Surah Al-Bayyina(98:1)
Sahih al-Bukhari
Good Manners and Form (Al-Adab)
Chapter: What is said about a double-faced person
Narrated Abu Huraira:
The Prophet (ﷺ) said, "The worst people in the Sight of Allah on the Day of Resurrection will be the double faced people who appear to some people with one face and to other people with another face."
Sahih al-Bukhari 6058