Re: Error in sunrise formula for QOTW 15?

On Thu, Jun 19, 2003 at 10:30:36PM -0500, James Edward Gray II wrote:
> I too seem to be having trouble with this.  In Oklahoma, our sunrise is 
> currently around 0610 and sunset is about 0850.  When I feed 0850 to 
> the formula for today though, I'm getting 0533 for the matching sunrise.

When I feed it into my formula, I get a sunrise of 0510.  I suspect
that's because the formula is cheating and assuming you're in the
center of your time zone and that sunrise and sunset are the same
distance from noon (or 1 pm in daylight time).  If you're not, then
the results will be skewed.

Walt