A very subtle shift halfway between solstices and equinoxes, four days out of the year.
From the get go I knew our watch collections needed to keep time and date for solstices and equinoxes, but cross quarters? John Schaeffer, a California pioneer in renewable energy who I worked with for years, suggested adding the cross quarters. Easy, why not?
The turning of the sun, a passage through the seasons, complete the circle.
The YES WorldWatch V7 applies astronomical algorithms to calculate solar and lunar time worldwide based on latitude, longitude, time zone, UTC time and DST system. On the 8 main turning days of solar time it displays a checkered pattern in the outer dial.
The instrument of time to plan your activities with confidence. Know natural time, know man made time, know when.