What are the differences between clean and unclean?
CLEAN AND UNCLEAN (טָהוֹר, tahor; טָמֵא, tame'; καθαρός, katharos; ἀκάθαρτος, akathartos). Designate states of ritual suitability or unsuitability before God.
Do we still know the difference between Clean and Unclean?
One person prefers one day over another day, another person regards every day a like. Each one must be fully convinced in his own mind.