Well, the Hijri date 28 Ramadan 1399 corresponds to the Gregorian date Tuesday, 21 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 1399/09/28 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 21 August 1979 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Ramadan 1399 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ ٱرْتَدُّوا۟ عَلَىٰٓ أَدْبَٰرِهِم مِّنۢ بَعْدِ مَا تَبَيَّنَ لَهُمُ ٱلْهُدَى ۙ ٱلشَّيْطَٰنُ سَوَّلَ لَهُمْ وَأَمْلَىٰ لَهُمْ
Lo! those who turn back after the guidance hath been manifested unto them, Satan hath seduced them, and He giveth them the rein.
Surah Muhammad(47:25)
Sahih al-Bukhari
Virtues of the Qur'an
Chapter: How the Divine Revelation used to be revealed and what was the first thing revealed
Narrated Anas bin Malik:
Allah sent down His Divine Inspiration to His Apostle continuously and abundantly during the period preceding his death till He took him unto Him. That was the period of the greatest part of revelation; and Allah's Messenger (ﷺ) died after that.
Sahih al-Bukhari 4982
