Well, the Hijri date 14 Jumada Al Akhira 1390 corresponds to the Gregorian date Sunday, 16 August 1970. This date lies in the sixth month of the Hijri year 1390 AH, which is Jumada Al-Thani of 1390 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1390/06/14 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 16 August 1970 to its equivalent Arabic date.
The following is the conversion of the Arabic date 14 Jumada Al Akhira 1390 AH to its equivalent Gregorian date.
أَمِ ٱتَّخَذُوا۟ مِن دُونِ ٱللَّهِ شُفَعَآءَ ۚ قُلْ أَوَلَوْ كَانُوا۟ لَا يَمْلِكُونَ شَيْـًۭٔا وَلَا يَعْقِلُونَ
Or choose they intercessors other than Allah? Say: What! Even though they have power over nothing and have no intelligence?
Surah Az-Zumar(39:43)