Meaning of “night and day” in the English Dictionary

british dictionary

"night and day" in British English

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night and day

also day and night

all the time:

They've worked night and day to publicize their campaign.

(Definition of “night and day” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"night and day" in American English

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night and day

all the time:

He says he wants to be with me night and day.

(Definition of “night and day” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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