Well, the Hijri date 21 Rabi Al Awwal 1397 corresponds to the Gregorian date Friday, 11 March 1977. This date lies in the third month of the Hijri year 1397 AH, which is Rabi Al-Awwal of 1397 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1397/03/21 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 11 March 1977 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Awwal 1397 AH to its equivalent Gregorian date.
وَلَا يَسْـَٔلُ حَمِيمٌ حَمِيمًۭا
And no familiar friend will ask a question of his friend
Surah Al-Ma'aarij(70:10)
Sahih al-Bukhari
Beginning of Creation
Chapter: If a housefly falls in the drink
Narrated `Abdullah bin `Umar:
Allah's Messenger (ﷺ) ordered that the dogs should be killed.
Sahih al-Bukhari 3323