TG 246 then 8M 373 at Bangkok
Krabi → Bangkok → Yangon
Timetable, Bangkok time
14:10TG 246 from Krabi at the gate
05:108M 373 to Yangon leaves the gate
15 h apart on the timetable, overnight
8M 373 leaves 15 h after TG 246 arrives on the timetable: more than half a day, so not a connection we count.