Well, the Hijri date 4 Shawwal 1140 corresponds to the Gregorian date Thursday, 13 May 1728. This date lies in the tenth month of the Hijri year 1140 AH, which is Shawwal of 1140 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1140/10/04 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 13 May 1728 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Shawwal 1140 AH to its equivalent Gregorian date.
وَلِكُلِّ أُمَّةٍۢ جَعَلْنَا مَنسَكًۭا لِّيَذْكُرُوا۟ ٱسْمَ ٱللَّهِ عَلَىٰ مَا رَزَقَهُم مِّنۢ بَهِيمَةِ ٱلْأَنْعَٰمِ ۗ فَإِلَٰهُكُمْ إِلَٰهٌۭ وَٰحِدٌۭ فَلَهُۥٓ أَسْلِمُوا۟ ۗ وَبَشِّرِ ٱلْمُخْبِتِينَ
And for every nation have We appointed a ritual, that they may mention the name of Allah over the beast of cattle that He hath given them for food; and your god is One God, therefor surrender unto Him. And give good tidings (O Muhammad) to the humble,
Surah Al-Hajj(22:34)