Well, the Hijri date 25 Muharram 1399 corresponds to the Gregorian date Monday, 25 December 1978. This date lies in the first month of the Hijri year 1399 AH, which is Muharram of 1399 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1399/01/25 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 25 December 1978 to its equivalent Arabic date.
The following is the conversion of the Arabic date 25 Muharram 1399 AH to its equivalent Gregorian date.
وَمَا يَأْتِيهِم مِّن ذِكْرٍۢ مِّنَ ٱلرَّحْمَٰنِ مُحْدَثٍ إِلَّا كَانُوا۟ عَنْهُ مُعْرِضِينَ
Never cometh there unto them a fresh reminder from the Beneficent One, but they turn away from it.
Surah Ash-Shu'araa(26:5)
Sahih al-Bukhari
Beginning of Creation
Chapter: The characteristics of Iblis (Satan) and his soldiers
Narrated Abu Huraira:
The Prophet (ﷺ) said, "If anyone of you rouses from sleep and performs the ablution, he should wash his nose by putting water in it and then blowing it out thrice, because Satan has stayed in the upper part of his nose all the night."
Sahih al-Bukhari 3295