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Mad Ade's Digital Watch

Logic puzzles require you to think. You will have to be logical in your reasoning.


Puzzle ID:#18755
Fun:*** (2.17)
Difficulty:*** (2.46)
Submitted By:Mad-AdeAhu***
Corrected By:tsimkin




Mad Ade is once more perched outside the "Sweaty Chef Kebab Shop" waiting for it to open. He glances at his new digital watch and notices that the time and date display used 10 digits in its HH:MM:SS Month/Day format.
It was 17:59:56 09/03.
Mad Ade wondered to himself, if all ten digits 0-9 appear on the display, what is (a) the earliest, and (b) the latest date and time in the year this could happen?
Obviously he didn't work out the answer as the doors opened and his mind turned to more important things.

What would the answer be?

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