Well, the Hijri date 18 Ramadan 1528 corresponds to the Gregorian date Tuesday, 7 October 2104. This date lies in the ninth month of the Hijri year 1528 AH, which is Ramadan of 1528 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1528/09/18 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 7 October 2104 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Ramadan 1528 AH to its equivalent Gregorian date.
فَتَنَٰزَعُوٓا۟ أَمْرَهُم بَيْنَهُمْ وَأَسَرُّوا۟ ٱلنَّجْوَىٰ
Then they debated one with another what they must do, and they kept their counsel secret.
Surah Taa-Haa(20:62)