Well, the Hijri date 30 Jumada Al Oula 1400 corresponds to the Gregorian date Tuesday, 15 April 1980. This date lies in the fifth month of the Hijri year 1400 AH, which is Jumada Al-Awwal of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1400/05/30 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 15 April 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 30 Jumada Al Oula 1400 AH to its equivalent Gregorian date.
وَفِى ٱلْأَرْضِ قِطَعٌۭ مُّتَجَٰوِرَٰتٌۭ وَجَنَّٰتٌۭ مِّنْ أَعْنَٰبٍۢ وَزَرْعٌۭ وَنَخِيلٌۭ صِنْوَانٌۭ وَغَيْرُ صِنْوَانٍۢ يُسْقَىٰ بِمَآءٍۢ وَٰحِدٍۢ وَنُفَضِّلُ بَعْضَهَا عَلَىٰ بَعْضٍۢ فِى ٱلْأُكُلِ ۚ إِنَّ فِى ذَٰلِكَ لَءَايَٰتٍۢ لِّقَوْمٍۢ يَعْقِلُونَ
And in the Earth are neighbouring tracts, vineyards and ploughed lands, and date-palms, like and unlike, which are watered with one water. And we have made some of them to excel others in fruit. Lo! herein verily are portents for people who have sense.
Surah Ar-Ra'd(13:4)