EK 605 then SZ 106 at Dubai
Karachi → Dubai → Dushanbe
Timetable, Dubai time
08:35EK 605 from Karachi at the gate
00:10SZ 106 to Dushanbe leaves the gate
15 h 35 apart on the timetable, overnight
SZ 106 leaves 15 h 35 after EK 605 arrives on the timetable: more than half a day, so not a connection we count.