What might be the practicality of an aquatic flotilla city for the purposes of following the sunlight more to manipulate placement to experience longer days? Fo

What might be the practicality of an aquatic flotilla city for the purposes of following the sunlight more to manipulate placement to experience longer days? For given different volumes maybe it could be practical at a reachable speed... If the donut were extremely thin, for example it's not too far to get to or stay in the sunny side....