HV 6002 then KL 1793 at Schiphol
Porto → Amsterdam → Hannover
Timetable, Amsterdam time
23:55HV 6002 from Porto at the gate
21:10KL 1793 to Hannover leaves the gate
21 h 15 apart on the timetable, overnight
KL 1793 leaves 21 h 15 after HV 6002 arrives on the timetable: more than half a day, so not a connection we count.