JQ 8 then JQ 7990 at Melbourne
Singapore → Melbourne → Sydney Kingsford Smith
Timetable, Melbourne time
07:25JQ 8 from Singapore at the gate
06:00JQ 7990 to Sydney Kingsford Smith leaves the gate
22 h 35 apart on the timetable, overnight
JQ 7990 leaves 22 h 35 after JQ 8 arrives on the timetable: more than half a day, so not a connection we count.