the.com/dog watch
The shortest watches at sea, invented so sailors don't eat dinner at the same dull hour forever.
split shiftTwo two-hour watches instead of one four-hour stretch
why splitRotates the schedule so duties don't repeat daily
name originPossibly from dodge watch or the dog star Sirius
the hoursRun 4 to 6 and 6 to 8 p.m.
naval stapleStill used in modern maritime watch rotations