This video proves the point, as you can see the record has been shortened drastically since 1982, thus changing people’s perceptions of what a “good time” to solve the Rubik’s cube is. Nowadays people consider sub-20 to be a good solve, and a sub-15 to sub-10 solve to be very good. To reach these times however requires practice. read more
There is no time that I would say is 'good'. As long as it feels like an achievement and that the solver is proud to achieve such a time and feel the rush to try and get faster, then that is already very good. read more