For the month of December and early January, my availability is as followed. Firstly, in CENTRAL Standard time zone.
Monday: 10am - 2pm, then possibly intermittent while at work, then: 9pm - bedtime
Tuesday - Thursday: All day, then 10pm - bedtime (and early evening with notice)
Friday: 10am - 2pm, then at work with possible intermittent play, then home by 11:30pm (just for December, normally off and home by 9:30)
Saturday: 10am - 1pm, 11:30pm - bed
Sunday: Mostly free