VZ 831 then UL 407 at Bangkok
Tokyo Narita → Bangkok → Colombo
Timetable, Bangkok time
14:30VZ 831 from Tokyo Narita at the gate
13:50UL 407 to Colombo leaves the gate
23 h 20 apart on the timetable, overnight
UL 407 leaves 23 h 20 after VZ 831 arrives on the timetable: more than half a day, so not a connection we count.