Rotation of the Moon to the Earth with Guidelines

To create animation with Rotation Months flow guide are as follows:

 - Create a new file 
- Change the name of the layer 1 into Earth

- Create a large circle in the middle of the screen.

- Adding a new layer in the Timeline, by clicking the mouse on the Insert Layer icon give the name of the Moon.

- Create a smaller circle from the circle of the earth.

- Right mouse click on the circle in select Convert to Symbol, name the Month select Graphic, select OK

- Select Insert> timeline> motion guide

- Create an empty circle (no fill) and set its position as below.

- With the help of Eraser Tool, delete some of the circle had to cut off.

- Click the right mouse button on the frame 60 and select Insert Keyframe (for the third layer).

- Select frame 1 on layer of the Moon, by using the Selection tool set to circle the moon midpoint at the beginning of the circle guide-month position.

 - Select the frame layer 60 on the Moon, using the Selection tool set to circle the moon midpoint circle at the end of the guide-month position.

- Block frame 1 to 60 months on the layer, right click mouse select Create Motion Tween.

- To eliminate the guideline, click the eye icon in the Layer Guidelines month.

- to run and press Enter 
make it easy? 
good luck ...