EC 3651 then A3 896 at Athens
Milan → Athens → Tbilisi
Timetable, Athens time
10:10EC 3651 from Milan at the gate
00:20A3 896 to Tbilisi leaves the gate
14 h 10 apart on the timetable, overnight
A3 896 leaves 14 h 10 after EC 3651 arrives on the timetable: more than half a day, so not a connection we count.