Well, the Hijri date 1 Shawwal 1400 corresponds to the Gregorian date Monday, 11 August 1980. This date lies in the tenth month of the Hijri year 1400 AH, which is Shawwal of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1400/10/01 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 11 August 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Shawwal 1400 AH to its equivalent Gregorian date.
هُوَ ٱلَّذِى خَلَقَكُمْ فَمِنكُمْ كَافِرٌۭ وَمِنكُم مُّؤْمِنٌۭ ۚ وَٱللَّهُ بِمَا تَعْمَلُونَ بَصِيرٌ
He it is Who created you, but one of you is a disbeliever and one of you is a believer, and Allah is Seer of what ye do.
Surah At-Taghaabun(64:2)
Sahih al-Bukhari
To make the Heart Tender (Ar-Riqaq)
Chapter: Regarding Al-Haud
Narrated Anas:
The Prophet (ﷺ) said, "Some of my companions will come to me at my Lake Fount, and after I recognize them, they will then be taken away from me, whereupon I will say, 'My companions!' Then it will be said, 'You do not know what they innovated (new things) in the religion after you."
Sahih al-Bukhari 6582