Well, the Hijri date 18 Ramadan 1440 corresponds to the Gregorian date Thursday, 23 May 2019. This date lies in the ninth month of the Hijri year 1440 AH, which is Ramadan of 1440 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1440/09/18 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 23 May 2019 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Ramadan 1440 AH to its equivalent Gregorian date.
فَمَن يُرِدِ ٱللَّهُ أَن يَهْدِيَهُۥ يَشْرَحْ صَدْرَهُۥ لِلْإِسْلَٰمِ ۖ وَمَن يُرِدْ أَن يُضِلَّهُۥ يَجْعَلْ صَدْرَهُۥ ضَيِّقًا حَرَجًۭا كَأَنَّمَا يَصَّعَّدُ فِى ٱلسَّمَآءِ ۚ كَذَٰلِكَ يَجْعَلُ ٱللَّهُ ٱلرِّجْسَ عَلَى ٱلَّذِينَ لَا يُؤْمِنُونَ
Surah Al-An'aam(6:125)
Sahih al-Bukhari
Fasting
Chapter: The menstruating should leave the Saum and Salat
Narrated Abu Sa`id:
The Prophet (ﷺ) said, "Isn't it true that a woman does not pray and does not fast on menstruating? And that is the defect (a loss) in her religion."
Sahih al-Bukhari 1951