Between 18:30, when the sun was lowering on the western horizon, back-lighting the German forces, and nightfall at about 20:30, the two fleets—totalling 250 ships between them—directly engaged twice.
Entre as 18:30, cando o sol caía sobre o horizonte occidental, cegando ás forzas xermanas, e a caída da noite sobre as 20:30, as dúas frotas (cun total de 250 barcos) enfrontáronse directamente dúas veces.