Well, the Hijri date 21 Rabi Al Awwal 1418 corresponds to the Gregorian date Friday, 25 July 1997. This date lies in the third month of the Hijri year 1418 AH, which is Rabi Al-Awwal of 1418 AH. Both this Hijri and Gregorian date occur on the single day that is Friday without any doubt. The Arabic date 1418/03/21 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 July 1997 to its equivalent Arabic date.
The following is the conversion of the Arabic date 21 Rabi Al Awwal 1418 AH to its equivalent Gregorian date.
وَقَالُوا۟ هَٰذِهِۦٓ أَنْعَٰمٌۭ وَحَرْثٌ حِجْرٌۭ لَّا يَطْعَمُهَآ إِلَّا مَن نَّشَآءُ بِزَعْمِهِمْ وَأَنْعَٰمٌ حُرِّمَتْ ظُهُورُهَا وَأَنْعَٰمٌۭ لَّا يَذْكُرُونَ ٱسْمَ ٱللَّهِ عَلَيْهَا ٱفْتِرَآءً عَلَيْهِ ۚ سَيَجْزِيهِم بِمَا كَانُوا۟ يَفْتَرُونَ
And they say: Such cattle and crops are forbidden. No-one is to eat of them save whom we will - in their make-believe - cattle whose backs are forbidden, cattle over which they mention not the name of Allah. (All that is) a lie against Him. He will repay them for that which they invent.
Surah Al-An'aam(6:138)