ting & reading times would avoid the early morning and late
afternoon affects of maximum atmospheric refraction and would also avoid the
compressed hourline markings that are close together at noon which make time
estimation more difficult.
Does anybody agree with my theory? Is there a best t
markings that are close together at noon which make time
estimation more difficult.
Does anybody agree with my theory? Is there a best time for setting
sundials?
You are right. Making a bit of mathematics it can be shown that the
highest insensibility to errors is
reached when the Sun crosses the
ices, and least at the equinoxes.
Bill Gottesman
www.precisionsundials.com
In a message dated 6/16/2003 4:23:40 PM Eastern Daylight Time,
[EMAIL PROTECTED] writes:
>
> Does anybody agree with my theory? Is there a best time for setting
> sundials?
>
-
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
6 PM
Subject: Re: Best Time for Setting Sundials
> I have given this question quite a bit of thought over the past 3 years,
> because the focusing sundial I sell is readable to a few seconds. It will
not live
> up to its accuracy unless set properly.
> If a dial is well made, and match
] Behalf Of Anselmo Perez
Serrada
Sent: June 17, 2003 3:42 PM
To: sundial@rrz.uni-koeln.de
Subject: Re: Best Time for Setting Sundials
John Carmichael wrote:
>I've often wondered if there is a best time of day to set a sundial using
>the "Time method" (as opposed to the com