Well, the Hijri date 4 Rajab 1421 corresponds to the Gregorian date Sunday, 1 October 2000. This date lies in the seventh month of the Hijri year 1421 AH, which is Rajab of 1421 AH. Both this Hijri and Gregorian date occur on the single day that is Sunday without any doubt. The Arabic date 1421/07/04 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 1 October 2000 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Rajab 1421 AH to its equivalent Gregorian date.
وَمِنَ ٱلنَّاسِ مَن يَقُولُ ءَامَنَّا بِٱللَّهِ فَإِذَآ أُوذِىَ فِى ٱللَّهِ جَعَلَ فِتْنَةَ ٱلنَّاسِ كَعَذَابِ ٱللَّهِ وَلَئِن جَآءَ نَصْرٌۭ مِّن رَّبِّكَ لَيَقُولُنَّ إِنَّا كُنَّا مَعَكُمْ ۚ أَوَلَيْسَ ٱللَّهُ بِأَعْلَمَ بِمَا فِى صُدُورِ ٱلْعَٰلَمِينَ
Of mankind is he who saith: We believe in Allah, but, if he be made to suffer for the sake of Allah, he mistaketh the persecution of mankind for Allah's punishment; and then, if victory cometh from thy Lord, will say: Lo! we were with you (all the while). Is not Allah Best Aware of what is in the bosoms of (His) creatures?
Surah Al-Ankaboot(29:10)
Sahih al-Bukhari
Wedlock, Marriage (Nikaah)
Chapter: To be unthankful to the husband
Narrated `Imran:
The Prophet (ﷺ) said, "I looked at Paradise and saw that the majority of its residents were the poor; and I looked at the (Hell) Fire and saw that the majority of its residents were women."
Sahih al-Bukhari 5198