Well, the Hijri date 9 Jumada Al Oula 1431 corresponds to the Gregorian date Friday, 23 April 2010. This date lies in the fifth month of the Hijri year 1431 AH, which is Jumada Al-Awwal of 1431 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1431/05/09 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 April 2010 to its equivalent Arabic date.
The following is the conversion of the Arabic date 9 Jumada Al Oula 1431 AH to its equivalent Gregorian date.
فَإِنْ عُثِرَ عَلَىٰٓ أَنَّهُمَا ٱسْتَحَقَّآ إِثْمًۭا فَـَٔاخَرَانِ يَقُومَانِ مَقَامَهُمَا مِنَ ٱلَّذِينَ ٱسْتَحَقَّ عَلَيْهِمُ ٱلْأَوْلَيَٰنِ فَيُقْسِمَانِ بِٱللَّهِ لَشَهَٰدَتُنَآ أَحَقُّ مِن شَهَٰدَتِهِمَا وَمَا ٱعْتَدَيْنَآ إِنَّآ إِذًۭا لَّمِنَ ٱلظَّٰلِمِينَ
But then, if it is afterwards ascertained that both of them merit (the suspicion of) sin, let two others take their place of those nearly concerned, and let them swear by Allah, (saying): Verily our testimony is truer than their testimony and we have not transgressed (the bounds of duty), for them indeed we should be of the evil-doers.
Surah Al-Maaida(5:107)