Well, the Hijri date 15 Jumada Al Oula 1373 corresponds to the Gregorian date Wednesday, 20 January 1954. This date lies in the fifth month of the Hijri year 1373 AH, which is Jumada Al-Awwal of 1373 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1373/05/15 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 January 1954 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Jumada Al Oula 1373 AH to its equivalent Gregorian date.
حَتَّىٰٓ إِذَا فَتَحْنَا عَلَيْهِم بَابًۭا ذَا عَذَابٍۢ شَدِيدٍ إِذَا هُمْ فِيهِ مُبْلِسُونَ
Until, when We open for them the gate of extreme punishment, behold! they are aghast thereat.
Surah Al-Muminoon(23:77)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter
Narrated Mujashi bin Masud:
I took Abu Mabad to the Prophet (ﷺ) in order that he might give him the pledge of allegiance for migration. The Prophet (ﷺ) said, "Migration has gone to its people, but I take the pledge from him (i.e. Abu Mabad) for Islam and Jihad."
Sahih al-Bukhari 4307, 4308