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Quiz: 120 Day Calculator

Think you know how date counting really works?

We created this quiz as a companion to our 120 day calculator, but it works just as well on its own — helping you test your general understanding of counting days forward and backward, across months and leap years.

If you’d like more practice or concrete examples, we also have a whole collection of date and day-counting tools:

120-day calculation quiz

Please answer all questions to see your score.

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