Well, the Hijri date 4 Muharram 1420 corresponds to the Gregorian date Tuesday, 20 April 1999. This date lies in the first month of the Hijri year 1420 AH, which is Muharram of 1420 AH. Both this Hijri and Gregorian date occur on the single day that is Tuesday without any doubt. The Arabic date 1420/01/04 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 20 April 1999 to its equivalent Arabic date.
The following is the conversion of the Arabic date 4 Muharram 1420 AH to its equivalent Gregorian date.
ءَامِنُوا۟ بِٱللَّهِ وَرَسُولِهِۦ وَأَنفِقُوا۟ مِمَّا جَعَلَكُم مُّسْتَخْلَفِينَ فِيهِ ۖ فَٱلَّذِينَ ءَامَنُوا۟ مِنكُمْ وَأَنفَقُوا۟ لَهُمْ أَجْرٌۭ كَبِيرٌۭ
Believe in Allah and His messenger, and spend of that whereof He hath made you trustees; and such of you as believe and spend (aright), theirs will be a great reward.
Surah Al-Hadid(57:7)
Sahih al-Bukhari
Fighting for the Cause of Allah (Jihaad)
Chapter: To name a horse and a donkey
Narrated Sahl:
In our garden there was a horse belonging to the Prophet (ﷺ) called Al-Luhaif or Al-Lakhif.
Sahih al-Bukhari 2855