TK 1840 then HH 576 at Istanbul
Athens → Istanbul → Tashkent
Timetable, Istanbul time
14:15TK 1840 from Athens at the gate
10:00HH 576 to Tashkent leaves the gate
19 h 45 apart on the timetable, overnight
HH 576 leaves 19 h 45 after TK 1840 arrives on the timetable: more than half a day, so not a connection we count.