night and day

Idioms  

1. Also day and night. Continually, without stopping. This phrase is used either literally, as in The alarm is on night and day, or hyperbolically, as in We were working day and night on these drawings. Shakespeare put it by night and day in The Comedy of Errors (4:2): “Time comes stealing on by night and day.”

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Example Sentences

The difference is night and day, said Sgt.

From The Wall Street Journal

It's been night and day since O'Neill returned to the club where he'd been revered in his previous stint between 2000 and 2005.

From BBC

So Night and Day was about journalism and its purposes; the Real Thing was about love and infidelity and starred Felicity Kendal, for whom Stoppard left his second wife, the doctor and broadcaster Miriam Stoppard.

From BBC

“Well, not to boast, but we Harley-Dickinsons have a knack for navigation. But I was locked in the brig! Night and day I told them, ‘Let me out, and I’ll steer us safe to shore.’

From Literature

I worked night and day to get it right, often with one of my colleagues, engineer Al Hamer, whom I collaborated with on several reports.

From Literature