Groundhog Day-May Day-Lammas Day-All Saints Day-Cross-Quarter Day
Groundhog Day, May Day, Lammas Day, and All Saints Day...what do they have in common? They are all near the Cross-Quarter day, halfway between solstice and equinox, of their respective seasons. They are all a few days before the cross-quarter date. The solstice and equinox dates are given. The video discusses these dates as markers of a new season by some cultures. https://www.almanac.com/quarter-days-...
Precession: https://astronomy.com/news/2017/02/gr... https://image.gsfc.nasa.gov/poetry/as...
https://en.wikipedia.org/wiki/Equinox
https://www.space.com/41910-autumn-eq...
Introductory Astronomy
Prof. Greg Clements