DST is a huge mess for at least a month, sometimes longer. It's massively disruptive. This may be more of an issue in higher latitudes, though. It was always t

DST is a huge mess for at least a month, sometimes longer. It's massively disruptive. This may be more of an issue in higher latitudes, though. It was always the last straw that signalled the effective end of the school year in the spring. Everyone was so frigged up and groggy from that shift ahead that we might as well have not been there, and by the time people did adjust, there wasn't any time left to recoup.