Well, the Hijri date 6 Rabi Al Thani 1364 corresponds to the Gregorian date Tuesday, 20 March 1945. This date lies in the fourth month of the Hijri year 1364 AH, which is Rabi Al-Thani of 1364 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1364/04/06 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 March 1945 to its equivalent Arabic date.
The following is the conversion of the Arabic date 6 Rabi Al Thani 1364 AH to its equivalent Gregorian date.
قَالَ لَهُم مُّوسَىٰ وَيْلَكُمْ لَا تَفْتَرُوا۟ عَلَى ٱللَّهِ كَذِبًۭا فَيُسْحِتَكُم بِعَذَابٍۢ ۖ وَقَدْ خَابَ مَنِ ٱفْتَرَىٰ
Moses said unto them: Woe unto you! Invent not a lie against Allah, lest He extirpate you by some punishment. He who lieth faileth miserably.
Surah Taa-Haa(20:61)
Sahih al-Bukhari
Fasting
Chapter: Observing Saum (fast) on the day of 'Ashura.
Narrated Salama bin Al-Akwa`:
The Prophet (ﷺ) ordered a man from the tribe of Bani Aslam to announce amongst the people that whoever had eaten should fast the rest of the day, and whoever had not eaten should continue his fast, as that day was the day of 'Ashura' .
Sahih al-Bukhari 2007