Auto power on

[Gintaras]

Better use task scheduler.

function scheduled every day at 6 pm (probably "start when idle" should be checked in task properties):
shutdown 4

function scheduled every day at 10 am ("wake..." checked in task properties):
wait 0 M

The wait for mouse click command does not allow Windows to hibernate again if not using mouse or keyboard for several minutes. Or show message box.

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SetWaitableTimer can wait for an absolute time too. If t is positive. Anyway, some calculations needed.