T5 923 then HH 576 at Istanbul
Ashgabat → Istanbul → Tashkent
Timetable, Istanbul time
20:30T5 923 from Ashgabat at the gate
19:20HH 576 to Tashkent leaves the gate
22 h 50 apart on the timetable, overnight
HH 576 leaves 22 h 50 after T5 923 arrives on the timetable: more than half a day, so not a connection we count.