Time constants module - standard-library fodder?

[Dan Bishop]

Irmen de Jong <irmen at -NOSPAM-REMOVETHIS-xs4all.nl> wrote in message news:<3ed71a14$0$49099$e4fe514c at news.xs4all.nl>...
> Ben Finney wrote:
>
> I'm not happy with this: it's wrong. The avg. number of days per year
> is 365.242199. Second, there's also a Siderial year, 365.256366 days.
> Sometimes you need the first, sometimes the other.
> Perhaps you require even greater precision than 6 fractional digits.
> Either remove these constants or define them exactly
> (you probably meant the Julian year).

I'm suprised that you didn't mention the Gregorian year (365.2425 days).