Well, the Hijri date 21 Dhul Qidah 1358 corresponds to the Gregorian date Sunday, 31 December 1939. This date lies in the eleventh month of the Hijri year 1358 AH, which is Dhu Al-Qidah of 1358 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1358/11/21 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 31 December 1939 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Dhul Qidah 1358 AH to its equivalent Gregorian date.
وَإِذْ أَخَذَ رَبُّكَ مِنۢ بَنِىٓ ءَادَمَ مِن ظُهُورِهِمْ ذُرِّيَّتَهُمْ وَأَشْهَدَهُمْ عَلَىٰٓ أَنفُسِهِمْ أَلَسْتُ بِرَبِّكُمْ ۖ قَالُوا۟ بَلَىٰ ۛ شَهِدْنَآ ۛ أَن تَقُولُوا۟ يَوْمَ ٱلْقِيَٰمَةِ إِنَّا كُنَّا عَنْ هَٰذَا غَٰفِلِينَ
And (remember) when thy Lord brought forth from the Children of Adam, from their reins, their seed, and made them testify of themselves, (saying): Am I not your Lord? They said: Yea, verily. We testify. (That was) lest ye should say at the Day of Resurrection: Lo! of this we were unaware;
Surah Al-A'raaf(7:172)