TG 900 then TK 1847 at Istanbul
Bangkok → Istanbul → Athens
Timetable, Istanbul time
06:05TG 900 from Bangkok at the gate
05:35TK 1847 to Athens leaves the gate
23 h 30 apart on the timetable, overnight
TK 1847 leaves 23 h 30 after TG 900 arrives on the timetable: more than half a day, so not a connection we count.