Well, the Hijri date 4 Jumada Al Oula 1220 corresponds to the Gregorian date Tuesday, 30 July 1805. This date lies in the fifth month of the Hijri year 1220 AH, which is Jumada Al-Awwal of 1220 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1220/05/04 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 30 July 1805 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Jumada Al Oula 1220 AH to its equivalent Gregorian date.
قَالَ سَـَٔاوِىٓ إِلَىٰ جَبَلٍۢ يَعْصِمُنِى مِنَ ٱلْمَآءِ ۚ قَالَ لَا عَاصِمَ ٱلْيَوْمَ مِنْ أَمْرِ ٱللَّهِ إِلَّا مَن رَّحِمَ ۚ وَحَالَ بَيْنَهُمَا ٱلْمَوْجُ فَكَانَ مِنَ ٱلْمُغْرَقِينَ
He said: I shall betake me to some mountain that will save me from the water. (Noah) said: This day there is none that saveth from the commandment of Allah save him on whom He hath had mercy. And the wave came in between them, so he was among the drowned.
Surah Hud(11:43)