Well, the Hijri date 10 Rajab 1400 corresponds to the Gregorian date Saturday, 24 May 1980. This date lies in the seventh month of the Hijri year 1400 AH, which is Rajab of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1400/07/10 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 24 May 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 10 Rajab 1400 AH to its equivalent Gregorian date.
ذَٰلِكَ ٱلْيَوْمُ ٱلْحَقُّ ۖ فَمَن شَآءَ ٱتَّخَذَ إِلَىٰ رَبِّهِۦ مَـَٔابًا
That is the True Day. So whoso will should seek recourse unto his Lord.
Surah An-Naba(78:39)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter
Narrated Jabir bin `Abdullah:
That he heard Allah's Messenger (ﷺ) saying in the year of the Conquest (of Mecca) while he was in Mecca, "Allah and His Apostle have made the selling of wine (i.e. alcoholic drinks) unlawful."
Sahih al-Bukhari 4296