I don't remember it being mentioned that Logos inherited Vowzra's purview over time. You could unlock the portfolio manually, I guess? I was just speaking in terms of time as it plays into the greater structure of physics. You can't really separate the two completely without breaking either one. Certainly, you wouldn't be able to pull off stopping all time everywhere without at least having Vowzra's level of control over it. It's all speculation, really.

EDIT: If Toun felt like making something especially clockwork, I'd hit you up for descriptions and such, sure! Though, I imagine that kind of stuff is more Kinesis' jam, even with BBeast now being her player. She's most likely to make stuff like that.