A phrase used to describe a stark difference between two things. Similar to night and day, but "day and night" implies things got worse whereas "night and day" implies things got better. Sometimes preceded by "like."
JJ Redick was the man back in college, but now that he's in the NBA, he seems content to be a bench warmer averaging 4 points a game. The difference in his performance has been day and night.

Jake: "Wow bro, it was really light out here around 3 in the afternoon, but now that it's 9:00, it's dark as hell."
Blake: "For real dude. The difference in darkness level is like day and night."
by Nicholas D March 15, 2009
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Usually employed in the realm of B Movies, Day for Night refers to the act of closing the curtains in a home or finding a decently dark area outside, filming there and pretending it’s night and then in post throwing a blue filter over the scene, lowering the brightness and contrast to make it look like “Night.”
In the movie “The Last Vampire on Earth” Vitalie Versatchi uses Day for Night in a scene with the Vampire.
by The Angry Pissedoff Gamer August 26, 2020
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The beginning and end of the day.
" First, there's day, when it's light, and night, when it's dark, equals: Day and Night."
by XCallXYouXLaterX June 28, 2009
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At the end of the day, it's night; means that the truth is painfully obvious when you think about it.
Emily: I'm sorry, it's not you, it's me.
Daniel: At the end of the day, it's night. I know why you cut me off.
by TheUnknownVariable2021 March 18, 2021
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very good book that was reacently made into a movie. about vampires taking over a town in alaska and cutting them off from the rest of the world.
did you go see 30 days of night?
no man
you should have it was fukin kick ass
by the pi guy January 4, 2008
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when 2 gangs bet on who can kill 60 people in 60 days first.
ay u heard bout L.A doin 60 days 60 nights? better pray for L.A
by donttripboutit April 2, 2019
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A Beatles, song, movie, and album (actually a soundtrack for the film) All three of them are absolute classics. The phrase 'a hard day's night' was actually created accidentaly by Ringo Starr, who often combined two phrases to create a new one.
"It's been a hard day's night!"-Ringo Starr
by Jackie January 18, 2005
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