Well, the Hijri date 28 Muharram 1405 corresponds to the Gregorian date Tuesday, 23 October 1984. This date lies in the first month of the Hijri year 1405 AH, which is Muharram of 1405 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1405/01/28 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 23 October 1984 to its equivalent Arabic date.
The following is the conversion of the Arabic date 28 Muharram 1405 AH to its equivalent Gregorian date.
وَقَالَ ٱلَّذِينَ أُوتُوا۟ ٱلْعِلْمَ وَٱلْإِيمَٰنَ لَقَدْ لَبِثْتُمْ فِى كِتَٰبِ ٱللَّهِ إِلَىٰ يَوْمِ ٱلْبَعْثِ ۖ فَهَٰذَا يَوْمُ ٱلْبَعْثِ وَلَٰكِنَّكُمْ كُنتُمْ لَا تَعْلَمُونَ
But those to whom knowledge and faith are given will say: The truth is, ye have tarried, by Allah's decree, until the Day of Resurrection. This is the Day of Resurrection, but ye used not to know.
Surah Ar-Room(30:56)
Sahih al-Bukhari
Fighting for the Cause of Allah (Jihaad)
Chapter: Setting out after midday
Narrated Anas:
The Prophet (ﷺ) offered a four-rak`at Zuhr prayer at Medina and then offered a two rak`at `Asr prayer at Dhul-Hulaifa and I heard the companions of the Prophet (ﷺ) reciting Talbiya aloud (for Hajj and `Umra) altogether.
Sahih al-Bukhari 2951