Not sure about the horse training. Since it's 20 hours instead of 24, you can use that to your advantage to catch up if you are late.
I never got anything from the DBH vendor so I'm not familiar with the mechanic.
Storymaster wrote: »Ah, you're talking about more than just dailies, but all timers.
That's fair. Unless there's some reason not to do it that way, it certainly seems like a more practical way to manage that and make it easier for players to work with.