Well, the Hijri date 18 Shaban 1146 corresponds to the Gregorian date Saturday, 23 January 1734. This date lies in the eighth month of the Hijri year 1146 AH, which is Shaban of 1146 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1146/08/18 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 23 January 1734 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Shaban 1146 AH to its equivalent Gregorian date.
وَقَالَ ٱلْمَلَأُ مِن قَوْمِ فِرْعَوْنَ أَتَذَرُ مُوسَىٰ وَقَوْمَهُۥ لِيُفْسِدُوا۟ فِى ٱلْأَرْضِ وَيَذَرَكَ وَءَالِهَتَكَ ۚ قَالَ سَنُقَتِّلُ أَبْنَآءَهُمْ وَنَسْتَحْىِۦ نِسَآءَهُمْ وَإِنَّا فَوْقَهُمْ قَٰهِرُونَ
The chiefs of Pharaoh's people said: (O King), wilt thou suffer Moses and his people to make mischief in the land, and flout thee and thy gods? He said: We will slay their sons and spare their women, for lo! we are in power over them.
Surah Al-A'raaf(7:127)