Well, the Hijri date 21 Dhul Hijjah 1427 corresponds to the Gregorian date Thursday, 11 January 2007. This date lies in the twelfth month of the Hijri year 1427 AH, which is Dhu Al-Hijjah of 1427 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1427/12/21 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 11 January 2007 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Hijjah 1427 AH to its equivalent Gregorian date.
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓا۟ إِن تُطِيعُوا۟ فَرِيقًۭا مِّنَ ٱلَّذِينَ أُوتُوا۟ ٱلْكِتَٰبَ يَرُدُّوكُم بَعْدَ إِيمَٰنِكُمْ كَٰفِرِينَ
O ye who believe! If ye obey a party of those who have received the Scripture they will make you disbelievers after your belief.
Surah Aal-i-Imraan(3:100)