Well, the Hijri date 21 Rajab 1406 corresponds to the Gregorian date Monday, 31 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 Monday without any doubt. The Arabic date 1406/07/21 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 31 March 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rajab 1406 AH to its equivalent Gregorian date.
وَكَتَبْنَا لَهُۥ فِى ٱلْأَلْوَاحِ مِن كُلِّ شَىْءٍۢ مَّوْعِظَةًۭ وَتَفْصِيلًۭا لِّكُلِّ شَىْءٍۢ فَخُذْهَا بِقُوَّةٍۢ وَأْمُرْ قَوْمَكَ يَأْخُذُوا۟ بِأَحْسَنِهَا ۚ سَأُو۟رِيكُمْ دَارَ ٱلْفَٰسِقِينَ
Surah Al-A'raaf(7:145)
Sahih al-Bukhari
Gifts
Chapter: A woman giving gifts to someone other than husband
Narrated Asma:
Once I said, "O Allah's Messenger (ﷺ)! I have no property except what has been given to me by Az-Zubair (i.e. her husband). May I give in charity?" The Prophet (ﷺ) said, "Give in charity and do not withhold it; otherwise Allah will withhold it back from you . "
Sahih al-Bukhari 2590
