I believe
Geoff Lawton recommends first turn after 4 days then every 2 days after that. Ive followed that and it works. I often miss a turn when life gets in the way.
Compost is very forgiving so it does nt seem to matter. He says that compost is supposed to be ready after 18 days, thats not been my
experience. Depends on your materials I suppose. I use lots of
wood chips. I keep turning till it starts to cool down then I let it sit till its cold. Ideally a year .