UL 606 then JQ 412 at Sydney
Colombo → Sydney → Gold Coast
Timetable, Sydney time
15:55UL 606 from Colombo at the gate
14:50JQ 412 to Gold Coast leaves the gate
22 h 55 apart on the timetable, overnight
JQ 412 leaves 22 h 55 after UL 606 arrives on the timetable: more than half a day, so not a connection we count.