from dawn to dusk

from can see to can't see

From the time when it is barely light enough to see until there is no …

from dusk to dawn

All night.

from scratch

From the beginning; starting with no advantage or prior preparation.

from the ground up

From the beginning; starting with the basics, foundation, or fundament…

from the get-go

From the very beginning; from the outset; immediately upon starting.

from the word go

From the very beginning; from the outset; immediately upon starting.