In a direction contrary to the apparent course of the sun (considered as unlucky or causing disaster).
Originally Nautical. against the sun: against the direction of the sun's apparent movement across the sky; (in the northern hemisphere) from right to…
In the opposite direction to that in which the hands of a clock turn round (see sense A.); = counterclockwise, adv.
In the opposite direction to that in which the hands of a clock turn round (see sense A.); = anticlockwise, adj.