You STAY OFF DUTY for 2 hours at the appointment, and at that point, you have completed the 8/2 split. Both your clocks (11 & 14) RESET, to the end of the 8 hour split. So, if you only used 1/2 hour AFTER you took the split - your clocks now have: 10:30 on your 11 & 13:30 on your 14.