Well, the Hijri date 3 Rajab 1400 corresponds to the Gregorian date Saturday, 17 May 1980. This date lies in the seventh month of the Hijri year 1400 AH, which is Rajab of 1400 AH. Both this Hijri and Gregorian date occur on the single day that is Saturday without any doubt. The Arabic date 1400/07/03 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 17 May 1980 to its equivalent Arabic date.
The following is the conversion of the Arabic date 3 Rajab 1400 AH to its equivalent Gregorian date.
وَمَن يُطِعِ ٱللَّهَ وَرَسُولَهُۥ وَيَخْشَ ٱللَّهَ وَيَتَّقْهِ فَأُو۟لَٰٓئِكَ هُمُ ٱلْفَآئِزُونَ
Surah An-Noor(24:52)
Sahih al-Bukhari
Fasting
Chapter: To observe Saum (fast) or not during journeys
Narrated `Aisha:
Hamza bin `Amr Al-Aslami said, "O Allah's Messenger (ﷺ)! I fast continuously."
Sahih al-Bukhari 1942