Well, the Hijri date 8 Rajab 1319 corresponds to the Gregorian date Sunday, 20 October 1901. This date lies in the seventh month of the Hijri year 1319 AH, which is Rajab of 1319 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1319/07/08 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 October 1901 to its equivalent Arabic date.
The following is the conversion of the Arabic date 8 Rajab 1319 AH to its equivalent Gregorian date.
وَإِذْ قَالَ مُوسَىٰ لِقَوْمِهِۦ يَٰقَوْمِ ٱذْكُرُوا۟ نِعْمَةَ ٱللَّهِ عَلَيْكُمْ إِذْ جَعَلَ فِيكُمْ أَنۢبِيَآءَ وَجَعَلَكُم مُّلُوكًۭا وَءَاتَىٰكُم مَّا لَمْ يُؤْتِ أَحَدًۭا مِّنَ ٱلْعَٰلَمِينَ
And (remember) when Moses said unto his people: O my people! Remember Allah's favour unto you, how He placed among you prophets, and He made you kings, and gave you that (which) He gave not to any (other) of (His) creatures.
Surah Al-Maaida(5:20)