I've often wondered if there is a best time of day to set a sundial using
the "Time method" (as opposed to the compass, the Polaris, the GPS and
plumbob shadow methods).
I'm thinking that the best time of day to precisely set and/or read a
horizontal sundial would be at mid-morning and mid-aft
In a message dated 6/17/2003 10:45:30 AM Eastern Daylight Time,
[EMAIL PROTECTED] writes:
> Hi Bill
>
> I think you have convinced me that solar noon is the best time to set a
> dial, but what is the best date?
My off-the-cuff answer is any date is fine if you are using the solar noon
meth
Hi Jim,
Declination lines will last for a very long time, at least if:
- the dial was correct constructed
- the orientation of the dial isn't changed in the course of ages
- the dial isn't restored in a wrong way
and so on.
Date lines are more difficult.
Except for the solstices a dateline is at
Hi Bill
I think you have convinced me that solar noon is the best time to set a
dial, but what is the best date?
If I understand you, you are saying that the best date would be around the
solstices. Is the winter solstice better than the summer solstice because
the shadows are longer?
Thanks fo
I agree with the recommendation on using the prime vertical to set sundials.
John Schilke gave a presentation on this topic at the NASS conference in
Tucson. My notes from the conference, as published in the Compendium and
posted on the NASS website www.sundials.org are clipped in below.
"John Sc
I happened to be travelling through the English market town of Melton
Mowbray last weekend.
Knowing that Tony Moss had recently made a dial for the Melton Mowbray
Rotary Club, I stopped for a look, and took a few photos.
If you would like to have a look, I have put a few on my web site.
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