Wordplay riddle

I am an invisible boundary that turns today into last year in a single second. What am I?

Midnight. Midnight on December 31st instantly shifts the current date into the previous year.

About this riddle

Wordplay riddles depend on how words look and sound. Watch for double meanings, hidden words and letters you can move or remove.

Difficulty: Hard. More like this: Wordplay riddles with answers or try Anagrid for a different kind of puzzle.

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