<Dd> On the East . The meridian of Cape Horn (67 ° 16'W) from Tierra del Fuego to the Antarctic continent; a line from Cape Virgins (52 ° 21 ′ S 68 ° 21 ′ W ﻿ / ﻿ 52.350 ° S 68.350 ° W ﻿ / - 52.350; - 68.350) to Cape Espititu Santo, Tierra del Fuego, the Eastern entrance to Magellan Strait . (These limits have not yet been officially accepted by Argentina and Chile .) </Dd> <Dl> <Dd> <Dl> <Dd> On the South . The Antarctic continent . </Dd> </Dl> </Dd> </Dl> <Dd> <Dl> <Dd> On the South . The Antarctic continent . </Dd> </Dl> </Dd> <Dl> <Dd> On the South . The Antarctic continent . </Dd> </Dl>

When does the atlantic ocean become the pacific ocean