Found 2 items, similar to day-and-night.
English → English (WordNet) Definition: day-and-night day-and-night adj : at all times; “around-the-clock nursing care” [syn: around-the-clock, nonstop, round-the-clock]
English → English (gcide) Definition: day-and-night day-and-night \day-and-night\ adj. same as around-the-clock. Syn: around-the-clock, nonstop, round-the-clock. [WordNet 1.5]