SQ 877 then SQ 838 at Changi
Taipei → Singapore → Hangzhou
Timetable, Singapore time
18:55SQ 877 from Taipei at the gate
18:30SQ 838 to Hangzhou leaves the gate
23 h 35 apart on the timetable, overnight
SQ 838 leaves 23 h 35 after SQ 877 arrives on the timetable: more than half a day, so not a connection we count.