Well, the Hijri date 8 Rabi Al Thani 1188 corresponds to the Gregorian date Friday, 17 June 1774. This date lies in the fourth month of the Hijri year 1188 AH, which is Rabi Al-Thani of 1188 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1188/04/08 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 17 June 1774 to its equivalent Arabic date.
The following is the conversion of the Arabic date 8 Rabi Al Thani 1188 AH to its equivalent Gregorian date.
إِنَّ رَبَّكُمُ ٱللَّهُ ٱلَّذِى خَلَقَ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضَ فِى سِتَّةِ أَيَّامٍۢ ثُمَّ ٱسْتَوَىٰ عَلَى ٱلْعَرْشِ ۖ يُدَبِّرُ ٱلْأَمْرَ ۖ مَا مِن شَفِيعٍ إِلَّا مِنۢ بَعْدِ إِذْنِهِۦ ۚ ذَٰلِكُمُ ٱللَّهُ رَبُّكُمْ فَٱعْبُدُوهُ ۚ أَفَلَا تَذَكَّرُونَ
Lo! your Lord is Allah Who created the heavens and the earth in six Days, then He established Himself upon the Throne, directing all things. There is no intercessor (with Him) save after His permission. That is Allah, your Lord, so worship Him. Oh, will ye not remind?
Surah Yunus(10:3)