From: Roger Bailey
Sent: Wednesday, March 04, 2015 5:28 PM
To: Michael Ossipoff
Subject: Re: Jack: Duration of sunlight on a particular day
Hello Michael,
I responded to Jack and provided a spreadsheet that calculated sunrise and
sunset times that included the option for refraction
Jack:
You wrote:
*I have been trying to figure out how to plot the duration of daylight over
** the course of the year as a function of latitude. (I would generate a **
curve for each latitude I am interested in.)*
*[endquote]*
*You said to disregard physical effects such as atmospheric
