Depends on the type of poker currently:
For my current "grind challenge (link to thread in sig)" I try to get a couple hundred
hands or least 1-2 hours in on it daily. If I have school/work related responsibilities I'll make sure to carve out time in evening or even early AM if possible sometimes to play. If I have evening plans I'll assess squeezing some in after them or before them (unless those plans include drinking then I'll try to get it in before).
MTTs (online for now): I used to play many more, but now I carve out some time as follows: My schedule is flexible some weeks (i.e. some Wednesdays I have no obligations so I'll play MTTs that Tuesday night and maybe Wednesday day) and also if I don't plan on playing at casino on a Fri or Sat and have no plans I'll play some MTTs if feeling it. Also carve out Sundays if no plans for early afternoon start times occasionally.
Live play: If no plans I'll try to commit to least one weekend night of live play and currently over next few months will try to get some Tues or Wed afternoon/evening play in on those days sometimes since my schedule changes sometimes. I was playing a lot on Sundays into Mondays live before schedule changes but found it was probably best to stick to Fri and Sat games.
Overall my current scheduling is to ensure some play on my grind challenge daily, MTTs 1-2x a week depending on schedule, and live casino play 1/2 least one weekend night a week if possible and maybe a random weekday when flexible. And obviously depends on if I'm up for playing esp for MTTs and Live as both are big time commitments for a given session. But right now my grind challenge is my priority poker wise and is already becoming a huge passion and motivator to play my best game and really work on reaching such a great challenge goal.
I never skip prior obligations for poker. I'll make an exception if I win a ticket to a major of course but if I find myself up too late playing, I'll still stick to my next day obligations 99% of the time.