Well, the Hijri date 9 Safar 1611 corresponds to the Gregorian date Tuesday, 14 September 2184. This date lies in the second month of the Hijri year 1611 AH, which is Safar of 1611 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1611/02/09 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 14 September 2184 to its equivalent Arabic date.
The following is the conversion of the Arabic date 9 Safar 1611 AH to its equivalent Gregorian date.
أَمْ لَهُمْ سُلَّمٌۭ يَسْتَمِعُونَ فِيهِ ۖ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَٰنٍۢ مُّبِينٍ
Or have they any stairway (unto heaven) by means of which they overhear (decrees). Then let their listener produce some warrant manifest!
Surah At-Tur(52:38)