What is another word for most day and night?
Pronunciation: [mˈə͡ʊst dˈe͡ɪ and nˈa͡ɪt] (IPA) 
The phrase "most day and night" can be replaced with a variety of synonyms that express the idea of something happening frequently or continuously without interruption. Some possible options include "constantly," "unceasingly," "incessantly," "relentlessly," "perpetually," "continuously," and "endlessly." Each of these words carries a slightly different connotation, so the choice of which to use may depend on the context of the sentence. However, all of them can effectively convey the sense of something happening without pause or break, whether it be an activity, emotion, or other experience.
