Well, the Hijri date 12 Rabi Al Thani 1288 corresponds to the Gregorian date Friday, 30 June 1871. This date lies in the fourth month of the Hijri year 1288 AH, which is Rabi Al-Thani of 1288 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1288/04/12 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 30 June 1871 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Rabi Al Thani 1288 AH to its equivalent Gregorian date.
وَٱلَّذِى هُوَ يُطْعِمُنِى وَيَسْقِينِ
And Who feedeth me and watereth me.
Surah Ash-Shu'araa(26:79)