Well, the Hijri date 5 Muharram 1405 corresponds to the Gregorian date Sunday, 30 September 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 Sunday without any doubt. The Arabic date 1405/01/05 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 30 September 1984 to its equivalent Arabic date.
The following is the conversion of the Arabic date 5 Muharram 1405 AH to its equivalent Gregorian date.
إِنَّ فِى ذَٰلِكَ لَءَايَةًۭ لِّمَنْ خَافَ عَذَابَ ٱلْءَاخِرَةِ ۚ ذَٰلِكَ يَوْمٌۭ مَّجْمُوعٌۭ لَّهُ ٱلنَّاسُ وَذَٰلِكَ يَوْمٌۭ مَّشْهُودٌۭ
Lo! herein verily there is a portent for those who fear the doom of the Hereafter. That is a day unto which mankind will be gathered, and that is a day that will be witnessed.
Surah Hud(11:103)
Sahih al-Bukhari
Oaths and Vows
Chapter: To vow for something not possessed, and for something sinful
Narrated `Aisha:
The Prophet (ﷺ) said, "Whoever vowed to be obedient to Allah, must be obedient to Him; and whoever vowed to be disobedient to Allah, should not be disobedient to Him."
Sahih al-Bukhari 6700
