Well, the Hijri date 1 Rajab 1388 corresponds to the Gregorian date Monday, 23 September 1968. This date lies in the seventh month of the Hijri year 1388 AH, which is Rajab of 1388 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1388/07/01 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 23 September 1968 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Rajab 1388 AH to its equivalent Gregorian date.
فَإِن طَلَّقَهَا فَلَا تَحِلُّ لَهُۥ مِنۢ بَعْدُ حَتَّىٰ تَنكِحَ زَوْجًا غَيْرَهُۥ ۗ فَإِن طَلَّقَهَا فَلَا جُنَاحَ عَلَيْهِمَآ أَن يَتَرَاجَعَآ إِن ظَنَّآ أَن يُقِيمَا حُدُودَ ٱللَّهِ ۗ وَتِلْكَ حُدُودُ ٱللَّهِ يُبَيِّنُهَا لِقَوْمٍۢ يَعْلَمُونَ
And if he hath divorced her (the third time), then she is not lawful unto him thereafter until she hath wedded another husband. Then if he (the other husband) divorce her it is no sin for both of them that they come together again if they consider that they are able to observe the limits of Allah. These are the limits of Allah. He manifesteth them for people who have knowledge.
Surah Al-Baqara(2:230)
Sahih al-Bukhari
Invoking Allah for Rain (Istisqaa)
Chapter: Turning cloak inside out while offering the Istisqa' prayer
Narrated `Abdullah bin Zaid:
The Prophet (ﷺ) turned his cloak inside out on Istisqa.
Sahih al-Bukhari 1011