Conversation so far:
how long does the earth take to complete one round of rotation
Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 minutes, and 4 seconds with respect to other, distant, stars.
what direction does the rotation of the earth occur
Earth rotates eastward, in prograde motion.
is the rotation of the earth clockwise
As viewed from the north pole star Polaris, Earth turns counterclockwise.
is the speed of earth's rotation changing
Earth's rotation is slowing slightly with time.

Question: what does the slowing lead to
Self-contained rewrite: what does the slowing of earth's rotation lead to