Tonight the moon is to the left of Sagittarius. Look for the familiar teapot shape to the lower right of the moon. Jupiter is the brightest object to the right of the moon.
Look for the moon in the early evening. The bright "star" to its upper right is the planet Jupiter.
Take a look at the stars surrounding the moon. They form a familiar teapot shape. This asterism is the easiest way to identify the constellation Sagittarius. The moon is in the teapot's handle.