SK 409 then DY 2063 at Copenhagen
Stockholm → Copenhagen → Riga
Timetable, Copenhagen time
17:15SK 409 from Stockholm at the gate
11:55DY 2063 to Riga leaves the gate
18 h 40 apart on the timetable, overnight
DY 2063 leaves 18 h 40 after SK 409 arrives on the timetable: more than half a day, so not a connection we count.