Timing way off..help.

Indicated timing as shown by the light would at idle read let's say 10°. As timing advances the light moves away from zero. Now that's a standard light,correct? A dial back light I have never used. Before you buy another light compare with a borrowed one. Yours is probably working just fine. I been using the same craftsman light for well over 30 years.
Well plug on bottom of light won't stay in..I was brain farting last night..to advance it I turn the distributor counter clockwise..and since the motor is spinning clockwise the top half of the hash marks are advance not retard.....it's really frustrating that my brain is fukt....thanks again guys for baring with my forgetting simple things..umm like oh ya it fires once for every two strokes......I'm probably more frustrated with myself than you guys get at me for asking questions I first knew and learned over 20 yrs ago