Quoting Eugene Oh <un.doing@...>:
> 2008/1/12, Mark J. Reed <markjreed@...>:
> > Negative = BCE, or just negative years CE? Not that I imagine the
> > one-year difference has much impact on the sky's configuration. :)
> >
>
> Is there a difference? I thought it'd be the same thing since
> technically 0 would be midnight of Jan 1, 1 CE.
>
> 0 = no years passed
> 1 = 1 year passed
> .
> .
> .
As used by astronomers, negative year numbers go like this:
2 AD = 2
1 AD = 1
1 BC = 0
2 BC = -1
3 BC = -2
Andreas