Well, the Hijri date 20 Shawwal 1406 corresponds to the Gregorian date Friday, 27 June 1986. This date lies in the tenth month of the Hijri year 1406 AH, which is Shawwal of 1406 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1406/10/20 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 27 June 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Shawwal 1406 AH to its equivalent Gregorian date.
إِنَّمَا تَعْبُدُونَ مِن دُونِ ٱللَّهِ أَوْثَٰنًۭا وَتَخْلُقُونَ إِفْكًا ۚ إِنَّ ٱلَّذِينَ تَعْبُدُونَ مِن دُونِ ٱللَّهِ لَا يَمْلِكُونَ لَكُمْ رِزْقًۭا فَٱبْتَغُوا۟ عِندَ ٱللَّهِ ٱلرِّزْقَ وَٱعْبُدُوهُ وَٱشْكُرُوا۟ لَهُۥٓ ۖ إِلَيْهِ تُرْجَعُونَ
Ye serve instead of Allah only idols, and ye only invent a lie. Lo! those whom ye serve instead of Allah own no provision for you. So seek your provision from Allah, and serve Him, and give thanks unto Him, (for) unto Him ye will be brought back.
Surah Al-Ankaboot(29:17)