Prophet Muhammad was instructed to follow Abraham's faith.
Quran 3:95
قُلْ صَدَقَ ٱللَّهُ ۗ فَٱتَّبِعُوا۟ مِلَّةَ إِبْرَٰهِيمَ حَنِيفًۭا وَمَا كَانَ مِنَ ٱلْمُشْرِكِينَ
Say, ˹O Prophet,˺ “Allah has declared the truth. So follow the Way of Abraham, the upright—who was not a polytheist.”
And when Abraham saw the moon rising, and he said, that's my God.
Quran 6:77
فَلَمَّا رَءَا ٱلْقَمَرَ بَازِغًۭا قَالَ هَـٰذَا رَبِّى ۖ فَلَمَّآ أَفَلَ قَالَ لَئِن لَّمْ يَهْدِنِى رَبِّى لَأَكُونَنَّ مِنَ ٱلْقَوْمِ ٱلضَّآلِّينَ
Then when he saw the moon rising, he said, “This one is my Lord!” But when it disappeared, he said, “If my Lord does not guide me, I will certainly be one of the misguided people.”
After Abraham saw the sun, he changed his mind to proclaim the Sun as his Lord.
Quran 6:78
فَلَمَّا رَءَا ٱلشَّمْسَ بَازِغَةًۭ قَالَ هَـٰذَا رَبِّى هَـٰذَآ أَكْبَرُ ۖ فَلَمَّآ أَفَلَتْ قَالَ يَـٰقَوْمِ إِنِّى بَرِىٓءٌۭ مِّمَّا تُشْرِكُونَ
Then when he saw the sun shining, he said, “This must be my Lord—it is the greatest!” But again when it set, he declared, “O my people! I totally reject whatever you associate.
