The sun was up when it shouldn't be and down when it should have been up. I commute from 8 hrs time difference so it's all the same to me. Might be tough commuting from OZ or NZ? I am used to it and prepare each time I cross. No problem.
As far as 4 not in class, all this just transpired recently, mid April.
The contract changes had to be expected. There are mergers and big changes taking place to ensure a future for ANA.