Well, the Hijri date 20 Rajab 1373 corresponds to the Gregorian date Thursday, 25 March 1954. This date lies in the seventh month of the Hijri year 1373 AH, which is Rajab of 1373 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1373/07/20 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 25 March 1954 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Rajab 1373 AH to its equivalent Gregorian date.
فَإِنْ ءَامَنُوا۟ بِمِثْلِ مَآ ءَامَنتُم بِهِۦ فَقَدِ ٱهْتَدَوا۟ ۖ وَّإِن تَوَلَّوْا۟ فَإِنَّمَا هُمْ فِى شِقَاقٍۢ ۖ فَسَيَكْفِيكَهُمُ ٱللَّهُ ۚ وَهُوَ ٱلسَّمِيعُ ٱلْعَلِيمُ
And if they believe in the like of that which ye believe, then are they rightly guided. But if they turn away, then are they in schism, and Allah will suffice thee (for defence) against them. He is the Hearer, the Knower.
Surah Al-Baqara(2:137)
Sahih al-Bukhari
Dress
Chapter: The punishment for picture-makers on the Day of Resurrection
Narrated `Abdullah bin `Umar:
Allah's Messenger (ﷺ) said, "Those who make these pictures will be punished on the Day of Resurrection, and it will be said to them. 'Make alive what you have created.'"
Sahih al-Bukhari 5951