Well, the Hijri date 20 Jumada Al Akhira 1423 corresponds to the Gregorian date Thursday, 29 August 2002. This date lies in the sixth month of the Hijri year 1423 AH, which is Jumada Al-Thani of 1423 AH. Both this Hijri and Gregorian date occur on the single day that is Thursday without any doubt. The Arabic date 1423/06/20 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 29 August 2002 to its equivalent Arabic date.
The following is the conversion of the Arabic date 20 Jumada Al Akhira 1423 AH to its equivalent Gregorian date.
قَالَ كَذَٰلِكَ أَتَتْكَ ءَايَٰتُنَا فَنَسِيتَهَا ۖ وَكَذَٰلِكَ ٱلْيَوْمَ تُنسَىٰ
He will say: So (it must be). Our revelations came unto thee but thou didst forget them. In like manner thou art forgotten this Day.
Surah Taa-Haa(20:126)
Sahih al-Bukhari
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
The Statement of Allah "And indeed, We have bestowed upon you seven Al-Mathãni (i.e., seven repeatedly recited Verses i.e., Sürat AI-Fatiha) and the Grand Qur'an." (V.15:87)
Narrated Abu Huraira:
Allah's Messenger (ﷺ) said, "The Um (substance) of the Qur'an is the seven oft-repeated verses (Al- Mathaini) and is the Great Qur'an (i.e. Surat-al-Fatiha).
Sahih al-Bukhari 4704