Well, the Hijri date 27 Ramadan 1406 corresponds to the Gregorian date Wednesday, 4 June 1986. This date lies in the ninth month of the Hijri year 1406 AH, which is Ramadan of 1406 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1406/09/27 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 4 June 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 27 Ramadan 1406 AH to its equivalent Gregorian date.
ثُمَّ بَعَثْنَا مِنۢ بَعْدِهِم مُّوسَىٰ وَهَٰرُونَ إِلَىٰ فِرْعَوْنَ وَمَلَإِي۟هِۦ بِـَٔايَٰتِنَا فَٱسْتَكْبَرُوا۟ وَكَانُوا۟ قَوْمًۭا مُّجْرِمِينَ
Then, after them, We sent Moses and Aaron unto Pharaoh and his chiefs with Our revelations, but they were arrogant and were a guilty folk.
Surah Yunus(10:75)
Sahih al-Bukhari
Wills and Testaments (Wasaayaa)
Chapter: A jointly-owned piece of land as an endowment
Narrated Anas:
When the Prophet (ﷺ) ordered that the mosque be built, he said, "O Bani An-Najjar! Suggest to me a price for this garden of yours." They replied, "By Allah! We will demand its price from none but Allah."
Sahih al-Bukhari 2771