Well, the Hijri date 6 Rabi Al Awwal 1431 corresponds to the Gregorian date Saturday, 20 February 2010. This date lies in the third month of the Hijri year 1431 AH, which is Rabi Al-Awwal of 1431 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1431/03/06 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 20 February 2010 to its equivalent Arabic date.
The following is the conversion of the Arabic date 6 Rabi Al Awwal 1431 AH to its equivalent Gregorian date.
فَأَسْقِطْ عَلَيْنَا كِسَفًۭا مِّنَ ٱلسَّمَآءِ إِن كُنتَ مِنَ ٱلصَّٰدِقِينَ
Then make fragments of the heaven fall upon us, if thou art of the truthful.
Surah Ash-Shu'araa(26:187)