Well, the Hijri date 1 Ramadan 1458 corresponds to the Gregorian date Monday, 20 October 2036. This date lies in the ninth month of the Hijri year 1458 AH, which is Ramadan of 1458 AH. Both this Hijri and Gregorian date occur on the single day that is Monday without any doubt. The Arabic date 1458/09/01 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 20 October 2036 to its equivalent Arabic date.
The following is the conversion of the Arabic date 1 Ramadan 1458 AH to its equivalent Gregorian date.
وَإِلَىٰ عَادٍ أَخَاهُمْ هُودًۭا ۚ قَالَ يَٰقَوْمِ ٱعْبُدُوا۟ ٱللَّهَ مَا لَكُم مِّنْ إِلَٰهٍ غَيْرُهُۥٓ ۖ إِنْ أَنتُمْ إِلَّا مُفْتَرُونَ
And unto (the tribe of) A'ad (We sent) their brother, Hud. He said: O my people! Serve Allah! Ye have no other Allah save Him. Lo! ye do but invent.
Surah Hud(11:50)
Sahih al-Bukhari
Menstrual Periods
Chapter: The I'tikaf of a woman who is bleeding in between her periods
Narrated `Aisha:
One of the mothers of the faithful believers (i.e. the wives of the Prophet (ﷺ) ) did I`tikaf while she was having bleeding in between her periods.
Sahih al-Bukhari 311