Well, the Hijri date 20 Muharram 1404 corresponds to the Gregorian date Wednesday, 26 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 Wednesday without any doubt. The Arabic date 1404/01/20 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 26 October 1983 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Muharram 1404 AH to its equivalent Gregorian date.
فَأَلْقَوْا۟ حِبَالَهُمْ وَعِصِيَّهُمْ وَقَالُوا۟ بِعِزَّةِ فِرْعَوْنَ إِنَّا لَنَحْنُ ٱلْغَٰلِبُونَ
Then they threw down their cords and their staves and said: By Pharaoh's might, lo! we verily are the winners.
Surah Ash-Shu'araa(26:44)
Sahih al-Bukhari
Oneness, Uniqueness of Allah (Tawheed)
Chapter: “…And His Throne was on the water…”
Narrated Anas bin Malik:
The Verse of Al-Hijab (veiling of women) was revealed in connection with Zainab bint Jahsh. (On the day of her marriage with him) the Prophet (ﷺ) gave a wedding banquet with bread and meat; and she used to boast before other wives of the Prophet (ﷺ) and used to say, "Allah married me (to the Prophet (ﷺ) in the Heavens."
Sahih al-Bukhari 7421