Well, the Hijri date 5 Dhul Hijjah 1406 corresponds to the Gregorian date Sunday, 10 August 1986. This date lies in the twelfth month of the Hijri year 1406 AH, which is Dhu Al-Hijjah of 1406 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1406/12/05 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 10 August 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 5 Dhul Hijjah 1406 AH to its equivalent Gregorian date.
وَإِذْ تَأَذَّنَ رَبُّكُمْ لَئِن شَكَرْتُمْ لَأَزِيدَنَّكُمْ ۖ وَلَئِن كَفَرْتُمْ إِنَّ عَذَابِى لَشَدِيدٌۭ
And when your Lord proclaimed: If ye give thanks, I will give you more; but if ye are thankless, lo! My punishment is dire.
Surah Ibrahim(14:7)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The Ghazwa of Al-Khandaq or Al-Ahzab Battle
Narrated Ibn `Umar:
That the Prophet (ﷺ) inspected him on the day of Uhud while he was fourteen years old, and the Prophet (ﷺ) did not allow him to take part in the battle. He was inspected again by the Prophet (ﷺ) on the day of Al- Khandaq (i.e. battle of the Trench) while he was fifteen years old, and the Prophet (ﷺ) allowed him to take Part in the battle.
Sahih al-Bukhari 4097