C6 301 then TK 2658 at Istanbul
Tashkent → Istanbul → Sivas
Timetable, Istanbul time
14:30C6 301 from Tashkent at the gate
09:15TK 2658 to Sivas leaves the gate
18 h 45 apart on the timetable, overnight
TK 2658 leaves 18 h 45 after C6 301 arrives on the timetable: more than half a day, so not a connection we count.