Well, the Hijri date 13 Jumada Al Akhira 1366 corresponds to the Gregorian date Sunday, 4 May 1947. This date lies in the sixth month of the Hijri year 1366 AH, which is Jumada Al-Thani of 1366 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1366/06/13 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 4 May 1947 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Jumada Al Akhira 1366 AH to its equivalent Gregorian date.
وَمَآ أَظُنُّ ٱلسَّاعَةَ قَآئِمَةًۭ وَلَئِن رُّدِدتُّ إِلَىٰ رَبِّى لَأَجِدَنَّ خَيْرًۭا مِّنْهَا مُنقَلَبًۭا
I think not that the Hour will ever come, and if indeed I am brought back unto my Lord I surely shall find better than this as a resort.
Surah Al-Kahf(18:36)
Sahih al-Bukhari
Prayers (Salat)
Chapter: Preaching of the Imam to the people regarding the proper offering of As-Salat (the prayers) and the mention of the Qiblah (Kabah at Makkah)
Narrated Anas bin Malik:
The Prophet (ﷺ) led us in a prayer and then got up on the pulpit and said, "In your prayer and bowing, I certainly see you from my back as I see you (while looking at you.)"
Sahih al-Bukhari 419