https://m.youtube.com/watch?v=NeopkvAP-ag
Bonus on analog vs digital mechanism in flip clocks:
I find the fractions simpler. Need a half of that half? Just double the denominator.
My wife would seemingly rather keep counting .1 centimeters.
The same applies with clocks. It's easier for me to rough out how long I have if I just chop the face into fractions vs mental arithmetic, as brutal as that sounds. What do you mean this guy can't divide 30 in half?
https://en.m.wikipedia.org/wiki/Roman_abacus
(Base 12x5=60 was of course used by their Babylonian predecessors.)
or were you making the distinction between "quarter past" and "quarter after", because I'd agree that the former is a lot less common.
Generational though, sure.
You can confirm this by searching "quarter past" at any significant US website, e.g., the NY Times:
<https://duckduckgo.com/?q=site%3Anytimes.com+%22quarter+past>
"Quarter of" or "quarter to" are less frequent, but can be found and heard.