Well, the Hijri date 21 Shawwal 1364 corresponds to the Gregorian date Thursday, 27 September 1945. This date lies in the tenth month of the Hijri year 1364 AH, which is Shawwal of 1364 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1364/10/21 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 27 September 1945 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Shawwal 1364 AH to its equivalent Gregorian date.
يَسْـَٔلُهُۥ مَن فِى ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ ۚ كُلَّ يَوْمٍ هُوَ فِى شَأْنٍۢ
All that are in the heavens and the earth entreat Him. Every day He exerciseth (universal) power.
Surah Ar-Rahmaan(55:29)
Sahih al-Bukhari
Prayer at Night (Tahajjud)
Chapter: What is recited in the two Rak'a (Sunna) of the Fajr
Narrated Anas bin Malik:
Allah's Messenger (ﷺ) led us and offered a two rak`at prayer and then went away.
Sahih al-Bukhari 1168