What is another word for like night and day?
Pronunciation: [lˈa͡ɪk nˈa͡ɪt and dˈe͡ɪ] (IPA) 
"Like night and day" is an idiom used to describe two things that are completely different from each other. Synonyms for this phrase include "polar opposites," "chalk and cheese," "black and white," "apples and oranges," and "heaven and earth." Each of these phrases highlights the stark contrast between two subjects, emphasizing their dissimilarity. When we say something is "like night and day," we mean that they are so different that there is no comparison between them. These synonyms can be used in a variety of situations, from describing people with opposing personalities to contrasting two opposing ideas or concepts.
