Well, the Hijri date 12 Ramadan 1406 corresponds to the Gregorian date Tuesday, 20 May 1986. This date lies in the ninth month of the Hijri year 1406 AH, which is Ramadan of 1406 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1406/09/12 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 20 May 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Ramadan 1406 AH to its equivalent Gregorian date.
وَجَعَلُوا۟ بَيْنَهُۥ وَبَيْنَ ٱلْجِنَّةِ نَسَبًۭا ۚ وَلَقَدْ عَلِمَتِ ٱلْجِنَّةُ إِنَّهُمْ لَمُحْضَرُونَ
And they imagine kinship between him and the jinn, whereas the jinn know well that they will be brought before (Him).
Surah As-Saaffaat(37:158)
Sahih al-Bukhari
Witnesses
Chapter: The defendant has to take an oath wherever it becomes legally compulsory
Narrated Ibn Mas`ud:
The Prophet (ﷺ) said, "Whoever takes a (false) oath in order to grab (others) property, then Allah will be angry with him when he will meet Him."
Sahih al-Bukhari 2673