Night and Day is a phrase that has been used to describe two opposite states or conditions. The phrase is often used to refer to the contrast between day and night, but it can also be used to describe any two opposites. In this crossword puzzle, the solutions for the term Night and Day are CONTINUALLY and TWENTYFOURHOURS. CONTINUALLY means without interruption or ceasing, while TWENTYFOURHOURS means lasting for 24 hours. Together, these two solutions suggest that Night and Day is a phrase that describes two opposites that are constantly in flux, with one state transitioning into the other without pause.