Well, the Hijri date 21 Ramadan 1477 corresponds to the Gregorian date Sunday, 18 April 2055. This date lies in the ninth month of the Hijri year 1477 AH, which is Ramadan of 1477 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1477/09/21 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 18 April 2055 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Ramadan 1477 AH to its equivalent Gregorian date.
إِذْ قَالَ لِأَبِيهِ يَٰٓأَبَتِ لِمَ تَعْبُدُ مَا لَا يَسْمَعُ وَلَا يُبْصِرُ وَلَا يُغْنِى عَنكَ شَيْـًۭٔا
When he said unto his father: O my father! Why worshippest thou that which heareth not nor seeth, nor can in aught avail thee?
Surah Maryam(19:42)
Sahih al-Bukhari
Afflictions and the End of the World
Chapter: Time will change until idols will be worshipped
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "The Hour will not be established till a man from Qahtan appears, driving the people with his stick."
Sahih al-Bukhari 7117