Well, the Hijri date 10 Rajab 1406 corresponds to the Gregorian date Thursday, 20 March 1986. This date lies in the seventh month of the Hijri year 1406 AH, which is Rajab of 1406 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1406/07/10 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 March 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 10 Rajab 1406 AH to its equivalent Gregorian date.
وَلَقَدْ صَرَّفْنَا فِى هَٰذَا ٱلْقُرْءَانِ لِيَذَّكَّرُوا۟ وَمَا يَزِيدُهُمْ إِلَّا نُفُورًۭا
We verily have displayed (Our warnings) in this Qur'an that they may take heed, but it increaseth them in naught save aversion.
Surah Al-Israa(17:41)
Sahih al-Bukhari
Good Manners and Form (Al-Adab)
Chapter: Whoever did not admonish people in their faces
Narrated Abu Sa`id Al-Khudri:
The Prophet (ﷺ) was more shy than a virgin in her separate room. And if he saw a thing which he disliked, we would recognize that (feeling) in his face.
Sahih al-Bukhari 6102