Well, the Hijri date 13 Shaban 1373 corresponds to the Gregorian date Friday, 16 April 1954. This date lies in the eighth month of the Hijri year 1373 AH, which is Shaban of 1373 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1373/08/13 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 16 April 1954 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Shaban 1373 AH to its equivalent Gregorian date.
وَٱلسَّارِقُ وَٱلسَّارِقَةُ فَٱقْطَعُوٓا۟ أَيْدِيَهُمَا جَزَآءًۢ بِمَا كَسَبَا نَكَٰلًۭا مِّنَ ٱللَّهِ ۗ وَٱللَّهُ عَزِيزٌ حَكِيمٌۭ
As for the thief, both male and female, cut off their hands. It is the reward of their own deeds, an exemplary punishment from Allah. Allah is Mighty, Wise.
Surah Al-Maaida(5:38)
Sahih al-Bukhari
Fasting
Chapter: Observing Saum (fast) on the day of 'Ashura.
Narrated Abu Musa:
The day of 'Ashura' was considered as `Id day by the Jews. So the Prophet (ﷺ) ordered, "I recommend you (Muslims) to fast on this day."
Sahih al-Bukhari 2005