What is the most direct and daily effect of Earth's rotation?

The movement of tectonic plates

If you observe a spinning top on a table, how is its motion similar to the Earth's?

They both travel around the Sun.

They are both perfectly round spheres.

They both spin around a central axis.

They are both powered by gravity.

The start of a new calendar year

The passing of one full day and night cycle

The moon completing its orbit around the Earth