Well, the Hijri date 20 Rabi Al Awwal 1273 corresponds to the Gregorian date Monday, 17 November 1856. This date lies in the third month of the Hijri year 1273 AH, which is Rabi Al-Awwal of 1273 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1273/03/20 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 17 November 1856 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rabi Al Awwal 1273 AH to its equivalent Gregorian date.
فَرَاغَ إِلَىٰٓ أَهْلِهِۦ فَجَآءَ بِعِجْلٍۢ سَمِينٍۢ
Then he went apart unto his housefolk so that they brought a fatted calf;
Surah Adh-Dhaariyat(51:26)