Looks like a cool idea. I get errors running your code. 
1.
Global symbol "@hr" requires explicit package name at ./binary-clock line 141.

Take out "use strict", then:
2.
Use of uninitialized value in addition (+) at ./binary-clock line 100.
Use of uninitialized value in addition (+) at ./binary-clock line 101.

In reply to Re: BCD Clock built using only binary logic. by zentara
in thread BCD Clock built using only binary logic. by jryan

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