SN 3618 then DS 1530 at Brussels
Nice → Brussels → Geneva
Timetable, Brussels time
15:30SN 3618 from Nice at the gate
13:25DS 1530 to Geneva leaves the gate
21 h 55 apart on the timetable, overnight
DS 1530 leaves 21 h 55 after SN 3618 arrives on the timetable: more than half a day, so not a connection we count.