i check fligts from ranong back to bkk and if can get 1 more day off . it saves fair bit of money.
either can leave monday evening or tesday am. the return flight on sunday is expensive, so come back to bkk on saturday evening.
total now is 9 days leave. or can leave on early flight monday but arrives in bkk at 9.40. so would struggle to be at work by 10.30am but woud get cheaper flight
hope you can understand