Well, the Hijri date 13 Ramadan 1407 corresponds to the Gregorian date Monday, 11 May 1987. This date lies in the ninth month of the Hijri year 1407 AH, which is Ramadan of 1407 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1407/09/13 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 11 May 1987 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Ramadan 1407 AH to its equivalent Gregorian date.
فَعَقَرُوهَا فَقَالَ تَمَتَّعُوا۟ فِى دَارِكُمْ ثَلَٰثَةَ أَيَّامٍۢ ۖ ذَٰلِكَ وَعْدٌ غَيْرُ مَكْذُوبٍۢ
But they hamstrung her, and then he said: Enjoy life in your dwelling-place three days! This is a threat that will not be belied.
Surah Hud(11:65)
Sahih al-Bukhari
Fighting for the Cause of Allah (Jihaad)
Chapter: The saddle and the stirrup of an animal
Narrated Ibn'`Umar:
When the Prophet (ﷺ) put his feet in the stirrup and the she-camel got up carrying him he would start reciting Talbiya at the mosque of Dhul-Hulaifa.
Sahih al-Bukhari 2865