Well, the Hijri date 12 Muharram 1399 corresponds to the Gregorian date Tuesday, 12 December 1978. This date lies in the first month of the Hijri year 1399 AH, which is Muharram of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1399/01/12 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 12 December 1978 to its equivalent Arabic date.
The following is the conversion of the Arabic date 12 Muharram 1399 AH to its equivalent Gregorian date.
وَقَالَ ٱلَّذِينَ كَفَرُوا۟ لَن نُّؤْمِنَ بِهَٰذَا ٱلْقُرْءَانِ وَلَا بِٱلَّذِى بَيْنَ يَدَيْهِ ۗ وَلَوْ تَرَىٰٓ إِذِ ٱلظَّٰلِمُونَ مَوْقُوفُونَ عِندَ رَبِّهِمْ يَرْجِعُ بَعْضُهُمْ إِلَىٰ بَعْضٍ ٱلْقَوْلَ يَقُولُ ٱلَّذِينَ ٱسْتُضْعِفُوا۟ لِلَّذِينَ ٱسْتَكْبَرُوا۟ لَوْلَآ أَنتُمْ لَكُنَّا مُؤْمِنِينَ
And those who disbelieve say: We believe not in this Qur'an nor in that which was before it; but oh, if thou couldst see, when the wrong-doers are brought up before their Lord, how they cast the blame one to another; how those who were despised (in the earth) say unto those who were proud: But for you, we should have been believers.
Surah Saba(34:31)
