Well, the Hijri date 17 Dhul Qidah 1185 corresponds to the Gregorian date Thursday, 20 February 1772. This date lies in the eleventh month of the Hijri year 1185 AH, which is Dhu Al-Qidah of 1185 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1185/11/17 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 20 February 1772 to its equivalent Arabic date.
The following is the conversion of the Arabic date 17 Dhul Qidah 1185 AH to its equivalent Gregorian date.
فَإِن لَّمْ تَفْعَلُوا۟ وَلَن تَفْعَلُوا۟ فَٱتَّقُوا۟ ٱلنَّارَ ٱلَّتِى وَقُودُهَا ٱلنَّاسُ وَٱلْحِجَارَةُ ۖ أُعِدَّتْ لِلْكَٰفِرِينَ
And if ye do it not - and ye can never do it - then guard yourselves against the Fire prepared for disbelievers, whose fuel is of men and stones.
Surah Al-Baqara(2:24)