EC 4427 then TP 1926 at Lisbon
Lyon → Lisbon → Porto
Timetable, Lisbon time
17:10EC 4427 from Lyon at the gate
12:30TP 1926 to Porto leaves the gate
19 h 20 apart on the timetable, overnight
TP 1926 leaves 19 h 20 after EC 4427 arrives on the timetable: more than half a day, so not a connection we count.