Timekeeping device that doesn’t work when it’s cloudy

This crossword clue is for the definition: Timekeeping device that doesn’t work when it’s cloudy.
it’s A 53 letters crossword puzzle definition.
Next time, when searching for online help with your puzzle, try using the search term “Timekeeping device that doesn’t work when it’s cloudy crossword” or “Timekeeping device that doesn’t work when it’s cloudy crossword clue”. The possible answerss for Timekeeping device that doesn’t work when it’s cloudy are listed below.

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Possible Answers: SUNDIAL.

Last seen on: NY Times Crossword 3 Apr 23, Monday