To me it seems so arbitrary. Why don't they just tell people to change their schedules for working, etc.

Say if a hospital, say, which has 12 hour schedules ( the norm in lots of areas ) decided it might be benefit their patents and staff , they could change their shifts from 7:00 to 7:00, to 6:00 to 6:00.

Then you would have some people applaud that they can be home before dark. But then others gritching that they have to get up to early.

To me, just set it and leave it alone.

Dave
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There are 10 kinds of people.
Those that understand binary and those that don't.