I've not done that one for a while, but have Thailand coming up this year. They want me to start on a Monday, which would mean flying Saturday to arrive late afternoon Sunday. I've suggested a Tuesday start.
The most brutal I used to do regularly was London's in valorem Jakarta, followed by a three hour fixed wing flight north to an island in the south China sea, with a 4am check in the following day, followed by the chopper out to the rig. Followed by sleep