Well, the Hijri date 3 Rajab 1426 corresponds to the Gregorian date Monday, 8 August 2005. This date lies in the seventh month of the Hijri year 1426 AH, which is Rajab of 1426 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1426/07/03 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 8 August 2005 to its equivalent Arabic date.
The following is the conversion of the Arabic date 3 Rajab 1426 AH to its equivalent Gregorian date.
قُل لِّمَن مَّا فِى ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ ۖ قُل لِّلَّهِ ۚ كَتَبَ عَلَىٰ نَفْسِهِ ٱلرَّحْمَةَ ۚ لَيَجْمَعَنَّكُمْ إِلَىٰ يَوْمِ ٱلْقِيَٰمَةِ لَا رَيْبَ فِيهِ ۚ ٱلَّذِينَ خَسِرُوٓا۟ أَنفُسَهُمْ فَهُمْ لَا يُؤْمِنُونَ
Say: Unto whom belongeth whatsoever is in the heavens and the earth? Say: Unto Allah. He hath prescribed for Himself mercy, that He may bring you all together to the Day of Resurrection whereof there is no doubt. Those who ruin their souls will not believe.
Surah Al-An'aam(6:12)
Sahih al-Bukhari
Fasting
Chapter: Fasting is obligatory in (the month of) Ramadan
Narrated `Aisha:
(The tribe of) Quraish used to fast on the day of Ashura' in the Pre-Islamic period, and then Allah's Apostle ordered (Muslims) to fast on it till the fasting in the month of Ramadan was prescribed; whereupon the Prophet (ﷺ) said, "He who wants to fast (on 'Ashura') may fast, and he who does not want to fast may not fast."
Sahih al-Bukhari 1893