Earth has two types of movement - rotation and revolution.
The movement of the earth about its own axis is called rotation.
Earth completes its rotation about its own axis in a time span of hours and minutes with respect to the distant stars and hours with respect to the sun.
Earth makes an angle of with its vertical axis.
The motion of the earth around the sun on a fixed path or orbit is called the revolution.
Hence, the motion of the earth around its own axis is called rotation.