Well, the Hijri date 15 Jumada Al Oula 1404 corresponds to the Gregorian date Thursday, 16 February 1984. This date lies in the fifth month of the Hijri year 1404 AH, which is Jumada Al-Awwal of 1404 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1404/05/15 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 16 February 1984 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Jumada Al Oula 1404 AH to its equivalent Gregorian date.
فَجَعَلْنَٰهُمْ سَلَفًۭا وَمَثَلًۭا لِّلْءَاخِرِينَ
And We made them a thing past, and an example for those after (them).
Surah Az-Zukhruf(43:56)
Sahih al-Bukhari
Dress
Chapter: At-Talbid
Narrated Ibn `Umar:
I heard Allah's Messenger (ﷺ), while he was in the state of lhram and his hair was stuck together with gum, saying, "Labbaik, Allahumma Labbaik, Labbaik La Sharika laka Labbaik. Inn-al-Hamda Wan-Ni'mata Laka wal-Mulk, La Sharika Lak." He did not add anything to those words.
Sahih al-Bukhari 5915