Well, the Hijri date 28 Dhul Hijjah 1406 corresponds to the Gregorian date Tuesday, 2 September 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 Tuesday without any doubt. The Arabic date 1406/12/28 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 2 September 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Dhul Hijjah 1406 AH to its equivalent Gregorian date.
وَإِذْ قُلْنَا لِلْمَلَٰٓئِكَةِ ٱسْجُدُوا۟ لِءَادَمَ فَسَجَدُوٓا۟ إِلَّآ إِبْلِيسَ أَبَىٰ
And when We said unto the angels: Fall prostrate before Adam, they fell prostrate (all) save Iblis; he refused.
Surah Taa-Haa(20:116)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The death of the Prophet (saws)
Narrated Aisha and Ibn `Abbas:
The Prophet (ﷺ) stayed for ten years in Mecca with the Qur'an being revealed to him and he stayed in Medina for ten years.'
Sahih al-Bukhari 4464, 4465