How to make this base-10 metric time concept work

I am trying to make a fake metric-time app to prank some friends when we take a trip to Canada soon and would like to know how I could make this work conceptually.

I already know that the time is already considered "metric", but for this prank to work, the prank-ee must believe that it is not.

So, if we assume that "regular time" means the time scale that everyone in the world uses, (24 hours in a day, 60 seconds in a minute, 60 minutes in an hour etc.), then how would I go about somehow linking "regular time" with "metric time" (100 hours in a day, 100 seconds in a minute, 100 minutes in an hour) so as to create a believable metric time clock.

(by believable, I mean not making seconds go by excessively fast in order to compensate for the 913,600 extra seconds in the day)

To put it simply
I want to somehow make a believable time scale based on powers of 10 that could feasibly replace our current timekeeping system, while still being tied to our current timescale (so 80:00 AM "metric time" would fall at the same time everyday).

Bonus points if you can explain a realistic way to do this where each increment (i.e. seconds in a minute, minutes in an hour etc.) is the same.

Extra bonus points if someone can propose a solution where I won't have to implement a massive time-jump at midnight in order to make the times correlate.

I understand that this may not be the best place to ask this question, but since I'm not asking how to implement this in code, but rather how the concept would work. Therefore I figured this would be the best place to ask.

posted about 8 years ago

DeveloperACE‭

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