The September equinox occurs the moment the Sun crosses the celestial Equator – the imaginary line in the sky above Earth's Equator – from north to south. This happens either on September 22, 23, or 24 every year.
Well, from what I know, I believe that it does not. I don't see how it's possible, if y = 7, how does this relate to (0,1), I don't see how it's would be possible. My guess, it would impossible.
