Well, the Hijri date 20 Jumada Al Oula 1189 corresponds to the Gregorian date Tuesday, 18 July 1775. This date lies in the fifth month of the Hijri year 1189 AH, which is Jumada Al-Awwal of 1189 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1189/05/20 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 18 July 1775 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Jumada Al Oula 1189 AH to its equivalent Gregorian date.
خَٰلِدِينَ فِيهَا ۖ لَا يُخَفَّفُ عَنْهُمُ ٱلْعَذَابُ وَلَا هُمْ يُنظَرُونَ
They ever dwell therein. The doom will not be lightened for them, neither will they be reprieved.
Surah Al-Baqara(2:162)