SQ 505 then CZ 354 at Changi
Ahmedabad → Singapore → Guangzhou
Timetable, Singapore time
21:10SQ 505 from Ahmedabad at the gate
13:40CZ 354 to Guangzhou leaves the gate
16 h 30 apart on the timetable, overnight
CZ 354 leaves 16 h 30 after SQ 505 arrives on the timetable: more than half a day, so not a connection we count.