Well, the Hijri date 9 Muharram 1404 corresponds to the Gregorian date Saturday, 15 October 1983. This date lies in the first month of the Hijri year 1404 AH, which is Muharram of 1404 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1404/01/09 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 15 October 1983 to its equivalent Arabic date.
The following is the conversion of the Arabic date 9 Muharram 1404 AH to its equivalent Gregorian date.
إِنَّ ٱلَّذِينَ تَدْعُونَ مِن دُونِ ٱللَّهِ عِبَادٌ أَمْثَالُكُمْ ۖ فَٱدْعُوهُمْ فَلْيَسْتَجِيبُوا۟ لَكُمْ إِن كُنتُمْ صَٰدِقِينَ
Lo! those on whom ye call beside Allah are slaves like unto you. Call on them now, and let them answer you, if ye are truthful!
Surah Al-A'raaf(7:194)
Sahih al-Bukhari
Accepting Information Given by a Truthful Person
Chapter: The Prophet (saws) used to send commanders and messengers one after another
Narrated `Abdullah bin `Abbas:
Allah's Messenger (ﷺ) sent a letter to Khosrau and told his messenger to give it first to the ruler of Bahrain, and tell him to deliver it to Khosrau. When Khosrau had read it, he tore it into pieces. (Az-Zuhri said: I think Ibn Al-Musaiyab said, "Allah's Messenger (ﷺ) invoked Allah to tear them (Khosrau and his followers) into pieces."
Sahih al-Bukhari 7264