How does one write "day in and day out"

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Chapters
00:00 How Does One Write &Quot;Day In And Day Out&Quot;
00:18 Accepted Answer Score 5
00:42 Answer 2 Score 1
00:52 Thank you

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Tags
#idioms #wordusage

#avk47

ACCEPTED ANSWER

Score 5

According to NOAD you can leave out the and and drop the hyphens:

day in, day out
continuously or repeatedly over a long period of time.

So maybe:

Day in, day out, I work like a dog.

ANSWER 2

Score 1

I work like a dog, day-in and day-out.