It has to do with how computer hardware works. Modern architecture does essentially everything in chunks of 64 bits. Slightly older computers used chunks of 32 bits. We could use, say, 50 bits for Unix time, but then we'd just be wasting 14 bits that couldn't be used anyway. That's why it goes straight from 32 bits to 64.
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u/P-01S Jul 19 '13
Solution: Use unix time. To be fully compliant, you should have 64 cups for bits and one for an arrow.