Well, the Hijri date 21 Rabi Al Thani 1359 corresponds to the Gregorian date Tuesday, 28 May 1940. This date lies in the fourth month of the Hijri year 1359 AH, which is Rabi Al-Thani of 1359 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1359/04/21 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 28 May 1940 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Thani 1359 AH to its equivalent Gregorian date.
ثُمَّ أَنزَلَ ٱللَّهُ سَكِينَتَهُۥ عَلَىٰ رَسُولِهِۦ وَعَلَى ٱلْمُؤْمِنِينَ وَأَنزَلَ جُنُودًۭا لَّمْ تَرَوْهَا وَعَذَّبَ ٱلَّذِينَ كَفَرُوا۟ ۚ وَذَٰلِكَ جَزَآءُ ٱلْكَٰفِرِينَ
Then Allah sent His peace of reassurance down upon His messenger and upon the believers, and sent down hosts ye could not see, and punished those who disbelieved. Such is the reward of disbelievers.
Surah At-Tawba(9:26)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The story of Bani An-Nadir
Narrated Anas bin Malik:
Some people used to allot some date palm trees to the Prophet (ﷺ) as gift till he conquered Banu Quraiza and Bani An-Nadir, where upon he started returning their date palms to them.
Sahih al-Bukhari 4030