Well, the Hijri date 14 Jumada Al Oula 1405 corresponds to the Gregorian date Monday, 4 February 1985. This date lies in the fifth month of the Hijri year 1405 AH, which is Jumada Al-Awwal of 1405 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1405/05/14 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 4 February 1985 to its equivalent Arabic date.
The following is the conversion of the Arabic date 14 Jumada Al Oula 1405 AH to its equivalent Gregorian date.
وَإِذْ أَوْحَيْتُ إِلَى ٱلْحَوَارِيِّۦنَ أَنْ ءَامِنُوا۟ بِى وَبِرَسُولِى قَالُوٓا۟ ءَامَنَّا وَٱشْهَدْ بِأَنَّنَا مُسْلِمُونَ
And when I inspired the disciples, (saying): Believe in Me and in My messenger, they said: We believe. Bear witness that we have surrendered (unto Thee) "we are muslims".
Surah Al-Maaida(5:111)
Sahih al-Bukhari
Sales and Trade
Chapter: The selling of dried grapes for dried grapes and meals for meals
Narrated Ibn `Umar:
Allah's Messenger (ﷺ) forbade Muzabana; and Muzabana is the selling of fresh dates for dried old dates by measure, and the selling of fresh grapes for dried grapes by measure.
Sahih al-Bukhari 2171