Well, the Hijri date 1 Shawwal 1275 corresponds to the Gregorian date Tuesday, 3 May 1859. This date lies in the tenth month of the Hijri year 1275 AH, which is Shawwal of 1275 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1275/10/01 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 3 May 1859 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Shawwal 1275 AH to its equivalent Gregorian date.
قَالُوٓا۟ أُوذِينَا مِن قَبْلِ أَن تَأْتِيَنَا وَمِنۢ بَعْدِ مَا جِئْتَنَا ۚ قَالَ عَسَىٰ رَبُّكُمْ أَن يُهْلِكَ عَدُوَّكُمْ وَيَسْتَخْلِفَكُمْ فِى ٱلْأَرْضِ فَيَنظُرَ كَيْفَ تَعْمَلُونَ
They said: We suffered hurt before thou camest unto us, and since thou hast come unto us. He said: It may be that your Lord is going to destroy your adversary and make you viceroys in the earth, that He may see how ye behave.
Surah Al-A'raaf(7:129)