Well, the Hijri date 13 Rajab 1406 corresponds to the Gregorian date Sunday, 23 March 1986. This date lies in the seventh month of the Hijri year 1406 AH, which is Rajab of 1406 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1406/07/13 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 23 March 1986 to its equivalent Arabic date.
The following is the conversion of the Arabic date 13 Rajab 1406 AH to its equivalent Gregorian date.
قَالَ إِنَّكَ لَن تَسْتَطِيعَ مَعِىَ صَبْرًۭا
He said: Lo! thou canst not bear with me.
Surah Al-Kahf(18:67)
Sahih al-Bukhari
Invocations
Chapter: The invocation of the Prophet (saws) for his servant
Narrated Anas:
My mother said, "O Allah's Messenger (ﷺ)! Please invoke Allah on behalf of your servant." He said, "O Allah! Increase his wealth and children, and bestow Your Blessing on whatever You give him." a time of distress.
Sahih al-Bukhari 6344