Unintuitively, time is base 12, same as geography/geometry.
Back when maps and clocks were still made and understood by a very small educated few, they would count to 12 on one hand by counting the finger segments with the thumb. Then, like an abacus, when 12 was reached, they'd reset their right hand and put a finger up on their left. This counts you up to 60 (12*5) this was good as at allows the maximal intuitive divisibility with easily managed remainders.
Back when maps and clocks were still made and understood by a very small educated few, they would count to 12 on one hand by counting the finger segments with the thumb. Then, like an abacus, when 12 was reached, they'd reset their right hand and put a finger up on their left. This counts you up to 60 (12*5) this was good as at allows the maximal intuitive divisibility with easily managed remainders.