* Create a new flash document * Draw a circle on stage,well you can design the interface of the clock as you like , you can use (View >>grid) options to view grid lines. It can help you in making the clock interface with grater accuracy.Here I have used a glossy button effect to make the interface of thin clock * Add a new layer on top of the background layer * Draw a vertical line with the line tool. * Double click on the shape and press F8 to open the convert to symbol dialog box * Set options as shown below and click OK