What do you think?
You can read more here: https://en.wikipedia.org/wiki/Metric_time
I mean, you already have 12 phalanges on one hand (3 each, from 4 fingers) and you can use your thumb as an indicator.
I mean, you already have 12 phalanges on one hand (3 each, from 4 fingers) and you can use your thumb as an indicator.