Wipe ceiling with clean, damp cloth to prepare painting surface.
Lay down the drop cloth to protect floors.
Determine diameter of circle; find the central point on the wall where you want to place the clock, and lightly mark with the pencil.
Cut a piece of string half the diameter of the circle.
Tie one end of string tightly around the pencil and secure the other end to the middle point on the wall with the thumbtack.
Starting at bottom and keeping string taut, lightly draw a circle by moving pencil clockwise until circle is complete.
Affix painter's tape to outside edge of the circle, using small strips of tape to create rounded edges; press tape firmly to wall to ensure a tight seal.
With the mini woven roller, paint inside the taped circle.
Remove tape while paint is still damp; clean up any mistakes with the clean, damp cloth; allow paint to dry, following suggested drying time on the can label.
Following clock kit instructions, mount motor and arms directly over center of circle.
Mount numbers just inside painted area, starting with numbers 12, 3, 6 and 9, and then mount the remainder, if desired, spacing evenly.