Well, the Hijri date 18 Dhul Qidah 1407 corresponds to the Gregorian date Tuesday, 14 July 1987. This date lies in the eleventh month of the Hijri year 1407 AH, which is Dhu Al-Qidah of 1407 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1407/11/18 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 14 July 1987 to its equivalent Arabic date.
The following is the conversion of the Arabic date 18 Dhul Qidah 1407 AH to its equivalent Gregorian date.
فَخَسَفْنَا بِهِۦ وَبِدَارِهِ ٱلْأَرْضَ فَمَا كَانَ لَهُۥ مِن فِئَةٍۢ يَنصُرُونَهُۥ مِن دُونِ ٱللَّهِ وَمَا كَانَ مِنَ ٱلْمُنتَصِرِينَ
So We caused the earth to swallow him and his dwelling-place. Then he had no host to help him against Allah, nor was he of those who can save themselves.
Surah Al-Qasas(28:81)
Sahih al-Bukhari
Sales and Trade
Chapter: The Prophet saws purchased (foodgrains) on credit
Narrated `Aisha:
The Prophet (ﷺ) purchased food grains from a Jew on credit and mortgaged his iron armor to him.
Sahih al-Bukhari 2068