March 2008 page 26
Fiona Vincent

Astrological Symbols on Sundials

Discusses the historical use and modern relevance of astrological symbols on sundials to indicate dates like solstices and equinoxes, despite astronomical shifts like precession. It examines symbols for Zodiacal signs and those used on lunar volvelles, such as sextile, square, and trine, explaining their relation to moon phases and elongation.
Historical Dials, How Sundials Work, Sundial Design & Layout

March 2007 page 14
Fiona Vincent

Solar and lunar data 2007

This entry provides tabular data for solar and lunar events for the year 2007. It includes details such as declination, and transit times for various months, and specifically mentions the Summer Solstice date and time. The data was kindly supplied by Fiona Vincent and includes lunar data and solstice times based on reader requests.

June 2007 page 95
Fiona Vincent

Solar and Lunar Data 2007

This entry provides a table of solar and lunar data for 2007, including daily declination and transit times, as well as moon phase information for June, July, and August.
How Sundials Work

September 2007 page 134
Fiona Vincent

Solar and Lunar Data

This entry provides a table of solar and lunar data for September, October, and November. It includes daily values for declination and transit times, as well as lunar quarter and new/full moon phases. This data is useful for sundial calibration and understanding celestial movements.
Equation of Time, How Sundials Work

September 2005 page 106
Fiona Vincent

Major Lunar Standstill

The author describes the term 'lunar standstill' coined by Alexander Thom, as analogous to a solstice. The article explains how the moon's declination affects its rising and setting points and how this affects the reading of 'moon time' from a sundial.
Dials: Nocturnals