Well, the Hijri date 4 Rabi Al Thani 1390 corresponds to the Gregorian date Monday, 8 June 1970. This date lies in the fourth month of the Hijri year 1390 AH, which is Rabi Al-Thani of 1390 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1390/04/04 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 8 June 1970 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Rabi Al Thani 1390 AH to its equivalent Gregorian date.
وَمَن يُطِعِ ٱللَّهَ وَٱلرَّسُولَ فَأُو۟لَٰٓئِكَ مَعَ ٱلَّذِينَ أَنْعَمَ ٱللَّهُ عَلَيْهِم مِّنَ ٱلنَّبِيِّۦنَ وَٱلصِّدِّيقِينَ وَٱلشُّهَدَآءِ وَٱلصَّٰلِحِينَ ۚ وَحَسُنَ أُو۟لَٰٓئِكَ رَفِيقًۭا
Whoso obeyeth Allah and the messenger, they are with those unto whom Allah hath shown favour, of the prophets and the saints and the martyrs and the righteous. The best of company are they!
Surah An-Nisaa(4:69)