had its day, has

had its day, has idiom
Is no longer useful or popular or successful, as in Some people think the railroad has had its day. This expression is the antonym of have its (or one's) day, meaning “to experience success or prosperity,” as in Every dog has its day, a proverb dating from the 16th century. Both terms use day in the sense of “a propitious or opportune time.”

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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