Well, the Hijri date 4 Shaban 1390 corresponds to the Gregorian date Sunday, 4 October 1970. This date lies in the eighth month of the Hijri year 1390 AH, which is Shaban of 1390 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1390/08/04 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 4 October 1970 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Shaban 1390 AH to its equivalent Gregorian date.
أَمْ تُرِيدُونَ أَن تَسْـَٔلُوا۟ رَسُولَكُمْ كَمَا سُئِلَ مُوسَىٰ مِن قَبْلُ ۗ وَمَن يَتَبَدَّلِ ٱلْكُفْرَ بِٱلْإِيمَٰنِ فَقَدْ ضَلَّ سَوَآءَ ٱلسَّبِيلِ
Or would ye question your messenger as Moses was questioned aforetime? He who chooseth disbelief instead of faith, verily he hath gone astray from a plain road.
Surah Al-Baqara(2:108)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The entrance of the Prophet (saws) from the upper part of Makkah
Narrated `Aisha:
During the year of the Conquest (of Mecca), the Prophet (ﷺ) entered Mecca through Kada which was at the upper part of Mecca.
Sahih al-Bukhari 4290