Well, the Hijri date 21 Ramadan 1399 corresponds to the Gregorian date Tuesday, 14 August 1979. This date lies in the ninth month of the Hijri year 1399 AH, which is Ramadan of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1399/09/21 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 August 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Ramadan 1399 AH to its equivalent Gregorian date.
بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ حمٓ
Ha. Mim.
Surah Ash-Shura(42:1)
Sahih al-Bukhari
Good Manners and Form (Al-Adab)
Chapter: The saying of one man to another: Ikhsa
Narrated Ibn `Abbas:
Allah's Messenger (ﷺ) said to Ibn Saiyad "I have hidden something for you in my mind; What is it?" He said, "Ad-Dukh." The Prophet (ﷺ) said, "Ikhsa."
Sahih al-Bukhari 6172