Well, the Hijri date 29 Jumada Al Akhira 1356 corresponds to the Gregorian date Saturday, 4 September 1937. This date lies in the sixth month of the Hijri year 1356 AH, which is Jumada Al-Thani of 1356 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1356/06/29 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 September 1937 to its equivalent Arabic date.
The following is the conversion of the Arabic date 29 Jumada Al Akhira 1356 AH to its equivalent Gregorian date.
أَن تَقُولُوٓا۟ إِنَّمَآ أُنزِلَ ٱلْكِتَٰبُ عَلَىٰ طَآئِفَتَيْنِ مِن قَبْلِنَا وَإِن كُنَّا عَن دِرَاسَتِهِمْ لَغَٰفِلِينَ
Lest ye should say: The Scripture was revealed only to two sects before us, and we in sooth were unaware of what they read;
Surah Al-An'aam(6:156)
Sahih al-Bukhari
Retiring to a Mosque for Remembrance of Allah (I'tikaf)
Chapter: The I'tikaf at night.
Narrated Ibn `Umar:
`Umar asked the Prophet (ﷺ) "I vowed in the Pre-Islamic period of ignorance to stay in I`tikaf for one night in Al-Masjid al-Haram." The Prophet (ﷺ) said to him, "Fulfill your vow."
Sahih al-Bukhari 2032