Update..
I got day/night it working with non-directional light..
added this to the draw event before drawing and up = true; and day = 0; to the create event.
if up = true {day+= 0.01;}
else {day-=0.01}
glr_set_ambient_daytime(day); if day == 1 { up = false }else if day == 0 {up = true}