Well, the Hijri date 15 Shaban 1388 corresponds to the Gregorian date Tuesday, 5 November 1968. This date lies in the eighth month of the Hijri year 1388 AH, which is Shaban of 1388 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1388/08/15 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 5 November 1968 to its equivalent Arabic date.
The following is the conversion of the Arabic date 15 Shaban 1388 AH to its equivalent Gregorian date.
أَلَمْ يَرَوْا۟ إِلَى ٱلطَّيْرِ مُسَخَّرَٰتٍۢ فِى جَوِّ ٱلسَّمَآءِ مَا يُمْسِكُهُنَّ إِلَّا ٱللَّهُ ۗ إِنَّ فِى ذَٰلِكَ لَءَايَٰتٍۢ لِّقَوْمٍۢ يُؤْمِنُونَ
Have they not seen the birds obedient in mid-air? None holdeth them save Allah. Lo! herein, verily, are portents for a people who believe.
Surah An-Nahl(16:79)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"Say: He has power to send torment on you from above..." (V.6:65)
Narrated Jabir:
When this Verse was revealed: "Say: He has power to send torment on you from above." (6.65) Allah's Messenger (ﷺ) said, "O Allah! I seek refuge with Your Face (from this punishment)." And when the verse: "or send torment from below your feet," (was revealed), Allah's Messenger (ﷺ) said, "(O Allah!) I seek refuge with Your Face (from this punishment)." (But when there was revealed): "Or confuse you in party strife and make you to taste the violence of one another." (6.65) Allah's Messenger (ﷺ) said, "This is lighter (or, this is easier).
Sahih al-Bukhari 4628