Well, the Hijri date 11 Jumada Al Oula 1214 corresponds to the Gregorian date Thursday, 10 October 1799. This date lies in the fifth month of the Hijri year 1214 AH, which is Jumada Al-Awwal of 1214 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1214/05/11 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 10 October 1799 to its equivalent Arabic date.
The following is the conversion of the Arabic date 11 Jumada Al Oula 1214 AH to its equivalent Gregorian date.
۞ يَٰٓأَيُّهَا ٱلرَّسُولُ بَلِّغْ مَآ أُنزِلَ إِلَيْكَ مِن رَّبِّكَ ۖ وَإِن لَّمْ تَفْعَلْ فَمَا بَلَّغْتَ رِسَالَتَهُۥ ۚ وَٱللَّهُ يَعْصِمُكَ مِنَ ٱلنَّاسِ ۗ إِنَّ ٱللَّهَ لَا يَهْدِى ٱلْقَوْمَ ٱلْكَٰفِرِينَ
O Messenger! Make known that which hath been revealed unto thee from thy Lord, for if thou do it not, thou wilt not have conveyed His message. Allah will protect thee from mankind. Lo! Allah guideth not the disbelieving folk.
Surah Al-Maaida(5:67)