Well, the Hijri date 1 Shaban 1242 corresponds to the Gregorian date Tuesday, 27 February 1827. This date lies in the eighth month of the Hijri year 1242 AH, which is Shaban of 1242 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1242/08/01 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 27 February 1827 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Shaban 1242 AH to its equivalent Gregorian date.
فَوَيْلٌۭ لِّلَّذِينَ كَفَرُوا۟ مِن يَوْمِهِمُ ٱلَّذِى يُوعَدُونَ
And woe unto those who disbelieve, from (that) their day which they are promised.
Surah Adh-Dhaariyat(51:60)