Well, the Hijri date 20 Rabi Al Awwal 1159 corresponds to the Gregorian date Monday, 11 April 1746. This date lies in the third month of the Hijri year 1159 AH, which is Rabi Al-Awwal of 1159 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1159/03/20 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 11 April 1746 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rabi Al Awwal 1159 AH to its equivalent Gregorian date.
وَإِذْ نَجَّيْنَٰكُم مِّنْ ءَالِ فِرْعَوْنَ يَسُومُونَكُمْ سُوٓءَ ٱلْعَذَابِ يُذَبِّحُونَ أَبْنَآءَكُمْ وَيَسْتَحْيُونَ نِسَآءَكُمْ ۚ وَفِى ذَٰلِكُم بَلَآءٌۭ مِّن رَّبِّكُمْ عَظِيمٌۭ
And (remember) when We did deliver you from Pharaoh's folk, who were afflicting you with dreadful torment, slaying your sons and sparing your women: that was a tremendous trial from your Lord.
Surah Al-Baqara(2:49)
