Well, the Hijri date 29 Rabi Al Thani 1235 corresponds to the Gregorian date Sunday, 13 February 1820. This date lies in the fourth month of the Hijri year 1235 AH, which is Rabi Al-Thani of 1235 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1235/04/29 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 13 February 1820 to its equivalent Arabic date.
The following is the conversion of the Arabic date 29 Rabi Al Thani 1235 AH to its equivalent Gregorian date.
يَٰصَىٰحِبَىِ ٱلسِّجْنِ أَمَّآ أَحَدُكُمَا فَيَسْقِى رَبَّهُۥ خَمْرًۭا ۖ وَأَمَّا ٱلْءَاخَرُ فَيُصْلَبُ فَتَأْكُلُ ٱلطَّيْرُ مِن رَّأْسِهِۦ ۚ قُضِىَ ٱلْأَمْرُ ٱلَّذِى فِيهِ تَسْتَفْتِيَانِ
O my two fellow-prisoners! As for one of you, he will pour out wine for his lord to drink; and as for the other, he will be crucified so that the birds will eat from his head. Thus is the case judged concerning which ye did inquire.
Surah Yusuf(12:41)