Different plant, but my plant's schedule rolls like this. D is 7a-7p, N is 7p-7a, T is 7a-3p (training). Night shifts begin the night before the day they're listed on the 'calendar'. Hopefully the formatting holds up
M T W R F S S
Week 1: D D D D x x x
Week 2: N N N N x x x
Week 3: x x x x D D D
Week 4: x x x x N N N
Week 5: x T T T T x x then repeat to week 1