How to arrange shifts in the 24-hour western kitchen of a five-star hotel?

Morning, noon and evening shifts are generally from 6 a.m. to 2 a.m. or 2:30; midday shift is from 2 a.m. or 2:30 to 10 p.m. or 10 p.m.; evening shift is from 10 a.m. or 10:30 to the next day. There is also a chef class at 6:00 or 6:30 from 8:00 or 8:30 in the morning to 5:00 or 5:30 in the afternoon