Well, the Hijri date 13 Rabi Al Awwal 1359 corresponds to the Gregorian date Saturday, 20 April 1940. This date lies in the third month of the Hijri year 1359 AH, which is Rabi Al-Awwal of 1359 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1359/03/13 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 20 April 1940 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Rabi Al Awwal 1359 AH to its equivalent Gregorian date.
أَلَّا يَسْجُدُوا۟ لِلَّهِ ٱلَّذِى يُخْرِجُ ٱلْخَبْءَ فِى ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ وَيَعْلَمُ مَا تُخْفُونَ وَمَا تُعْلِنُونَ
So that they worship not Allah, Who bringeth forth the hidden in the heavens and the earth, and knoweth what ye hide and what ye proclaim,
Surah An-Naml(27:25)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"They are those who deny in the Ayāt (proofs, evidences, verses, lessons, signs, revelations, etc.) of their Lord and the Meeting with Him (in the Hereafter). So their works are in vain..." (V.18:105)
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "On the Day of Resurrection, a huge fat man will come who will not weigh, the weight of the wing of a mosquito in Allah's Sight." and then the Prophet (ﷺ) added, 'We shall not give them any weight on the Day of Resurrection ' (18.105)
Sahih al-Bukhari 4729