Well, the Hijri date 1 Dhul Qidah 1407 corresponds to the Gregorian date Saturday, 27 June 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 Saturday without any doubt. The Arabic date 1407/11/01 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 27 June 1987 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Dhul Qidah 1407 AH to its equivalent Gregorian date.
وَبَيْنَهُمَا حِجَابٌۭ ۚ وَعَلَى ٱلْأَعْرَافِ رِجَالٌۭ يَعْرِفُونَ كُلًّۢا بِسِيمَىٰهُمْ ۚ وَنَادَوْا۟ أَصْحَٰبَ ٱلْجَنَّةِ أَن سَلَٰمٌ عَلَيْكُمْ ۚ لَمْ يَدْخُلُوهَا وَهُمْ يَطْمَعُونَ
Between them is a veil. And on the Heights are men who know them all by their marks. And they call unto the dwellers of the Garden: Peace be unto you! They enter it not although they hope (to enter).
Surah Al-A'raaf(7:46)
Sahih al-Bukhari
Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi)
Chapter: The sickness of the Prophet (saws) and his death
Narrated Aisha and Ibn `Abbas:
Abu Bakr kissed the Prophet (ﷺ) after his death.
Sahih al-Bukhari 4455, 4456, 4457