Well, the Hijri date 28 Dhul Qidah 1390 corresponds to the Gregorian date Monday, 25 January 1971. This date lies in the eleventh month of the Hijri year 1390 AH, which is Dhu Al-Qidah of 1390 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1390/11/28 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 25 January 1971 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Dhul Qidah 1390 AH to its equivalent Gregorian date.
وَمِنْ ءَايَٰتِهِۦٓ أَن تَقُومَ ٱلسَّمَآءُ وَٱلْأَرْضُ بِأَمْرِهِۦ ۚ ثُمَّ إِذَا دَعَاكُمْ دَعْوَةًۭ مِّنَ ٱلْأَرْضِ إِذَآ أَنتُمْ تَخْرُجُونَ
And of His signs is this: The heavens and the earth stand fast by His command, and afterward, when He calleth you, lo! from the earth ye will emerge.
Surah Ar-Room(30:25)