Well, the Hijri date 20 Dhul Qidah 1250 corresponds to the Gregorian date Thursday, 19 March 1835. This date lies in the eleventh month of the Hijri year 1250 AH, which is Dhu Al-Qidah of 1250 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1250/11/20 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 19 March 1835 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Dhul Qidah 1250 AH to its equivalent Gregorian date.
مِن دُونِ ٱللَّهِ ۖ قَالُوا۟ ضَلُّوا۟ عَنَّا بَل لَّمْ نَكُن نَّدْعُوا۟ مِن قَبْلُ شَيْـًۭٔا ۚ كَذَٰلِكَ يُضِلُّ ٱللَّهُ ٱلْكَٰفِرِينَ
Beside Allah? They say: They have failed us; but we used not to pray to anything before. Thus doth Allah send astray the disbelievers (in His guidance).
Surah Ghafir(40:74)