Well, the Hijri date 18 Muharram 1390 corresponds to the Gregorian date Wednesday, 25 March 1970. This date lies in the first month of the Hijri year 1390 AH, which is Muharram of 1390 AH. Both this Hijri and Gregorian date occur on the single day that is Wednesday without any doubt. The Arabic date 1390/01/18 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 March 1970 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Muharram 1390 AH to its equivalent Gregorian date.
وَإِذَا ٱلْبِحَارُ سُجِّرَتْ
And when the seas rise,
Surah At-Takwir(81:6)
Sahih al-Bukhari
Wedlock, Marriage (Nikaah)
Chapter: Allah's Messenger (saws) prohibited Nikah-al-Mut'a lately.
Narrated Jabir bin `Abdullah and Salama bin Al-Akwa`:
While we were in an army, Allah's Messenger (ﷺ) came to us and said, "You have been allowed to do the Mut'a (marriage), so do it."
Sahih al-Bukhari 5117, 5118