Well, the Hijri date 1 Rabi Al Thani 1240 corresponds to the Gregorian date Monday, 22 November 1824. This date lies in the fourth month of the Hijri year 1240 AH, which is Rabi Al-Thani of 1240 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1240/04/01 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 22 November 1824 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rabi Al Thani 1240 AH to its equivalent Gregorian date.
ثُمَّ يَأْتِى مِنۢ بَعْدِ ذَٰلِكَ عَامٌۭ فِيهِ يُغَاثُ ٱلنَّاسُ وَفِيهِ يَعْصِرُونَ
Then, after that, will come a year when the people will have plenteous crops and when they will press (wine and oil).
Surah Yusuf(12:49)