Well, the Hijri date 18 Jumada Al Oula 1127 corresponds to the Gregorian date Tuesday, 21 May 1715. This date lies in the fifth month of the Hijri year 1127 AH, which is Jumada Al-Awwal of 1127 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1127/05/18 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 21 May 1715 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Jumada Al Oula 1127 AH to its equivalent Gregorian date.
وَلَوْ جَعَلْنَٰهُ قُرْءَانًا أَعْجَمِيًّۭا لَّقَالُوا۟ لَوْلَا فُصِّلَتْ ءَايَٰتُهُۥٓ ۖ ءَا۬عْجَمِىٌّۭ وَعَرَبِىٌّۭ ۗ قُلْ هُوَ لِلَّذِينَ ءَامَنُوا۟ هُدًۭى وَشِفَآءٌۭ ۖ وَٱلَّذِينَ لَا يُؤْمِنُونَ فِىٓ ءَاذَانِهِمْ وَقْرٌۭ وَهُوَ عَلَيْهِمْ عَمًى ۚ أُو۟لَٰٓئِكَ يُنَادَوْنَ مِن مَّكَانٍۭ بَعِيدٍۢ
And if We had appointed it a Lecture in a foreign tongue they would assuredly have said: If only its verses were expounded (so that we might understand)? What! A foreign tongue and an Arab? - Say unto them (O Muhammad): For those who believe it is a guidance and a healing; and as for those who disbelieve, there is a deafness in their ears, and it is blindness for them. Such are called to from afar.
Surah Fussilat(41:44)