Well, the Hijri date 20 Shawwal 1376 corresponds to the Gregorian date Sunday, 19 May 1957. This date lies in the tenth month of the Hijri year 1376 AH, which is Shawwal of 1376 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1376/10/20 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 19 May 1957 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Shawwal 1376 AH to its equivalent Gregorian date.
بَلْ مَتَّعْتُ هَٰٓؤُلَآءِ وَءَابَآءَهُمْ حَتَّىٰ جَآءَهُمُ ٱلْحَقُّ وَرَسُولٌۭ مُّبِينٌۭ
Nay, but I let these and their fathers enjoy life (only) till there should come unto them the Truth and a messenger making plain.
Surah Az-Zukhruf(43:29)
Sahih al-Bukhari
Prophets
Chapter: "And (remember) Lout (Lot)!"
Narrated Abu Huraira:
The Prophet (ﷺ) said, "May Allah forgive Lot: He wanted to have a powerful support."
Sahih al-Bukhari 3375