We could certainly do it: clocks already work on base-12. And it would be a whole lot more convenient: 12 is divided by 2, 3, 4 and 6, while poor 10 gets only 2 and 5. I suppose it was what I had in mind a while back when I tried to lop a dozen years off my age. I just didn't know they had a society before, much less a renaming.
There is an American branch, but I gather the mother church here is British, and it all does seem very British, not so? Recall it was Plantagenet Palliser in the Trollope novels dedicated his political career to the establishment of the decimal currency. Had he lived to climb that mountain, one has to suppose he would have moved on.
Anyway, here's to you,