Well, the Hijri date 4 Shawwal 1442 corresponds to the Gregorian date Sunday, 16 May 2021. This date lies in the tenth month of the Hijri year 1442 AH, which is Shawwal of 1442 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1442/10/04 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 16 May 2021 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Shawwal 1442 AH to its equivalent Gregorian date.
وَقَالُوا۟ لِجُلُودِهِمْ لِمَ شَهِدتُّمْ عَلَيْنَا ۖ قَالُوٓا۟ أَنطَقَنَا ٱللَّهُ ٱلَّذِىٓ أَنطَقَ كُلَّ شَىْءٍۢ وَهُوَ خَلَقَكُمْ أَوَّلَ مَرَّةٍۢ وَإِلَيْهِ تُرْجَعُونَ
And they say unto their skins: Why testify ye against us? They say: Allah hath given us speech Who giveth speech to all things, and Who created you at the first, and unto Whom ye are returned.
Surah Fussilat(41:21)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
Narrated Abu Bishr:
Sa`id bin Jubair said that Ibn `Abbas said about Al-Kauthar. "That is the good which Allah has bestowed upon His Apostle." I said to Sa`id bin Jubair. "But the people claim that it is a river in Paradise." Sa`id said, "The river in Paradise is part of the good which Allah has bestowed on His Apostle."
Sahih al-Bukhari 4966