What is the vernal equinox point used as a reference in celestial coordinates? How do solstices and equinoxes affect amateur radio propagation?

Oct 17, 2010 ... A way to map out in 'compass degrees' the exact point of sun-rise and sun set for both the Summer and Winter Solstice. ... solstice and most southerly at the December solstice. At the equinoxes, the sun's path follows the celestial equator. In late March and late September (at ... We get about 15 hours of daylight on the Summer Solstice. Although the longest daylight day is around June 20, sunset doesn't change much for 2-3 weeks before ... Jan 4, 2023 ... In the Christian calendar, the two most significant religious holidays happen to correspond well with two seasonal shifts: Christmas with the ... Jun 20, 2023 ... Solstices happen twice per year, at the points in Earth's orbit where this tilt is most pronounced. These days are the longest (in the summer hemisphere) and ... Bundle Includes: 1X Flower Moon Palette, 1X Strawberry Moon Palette, 1X Harvest Moon Palette, 1X Cold Moon Palette PLUS 1X FREE Blue Moon Holochrome Pressed ... Equinox. The Equinox in the Northern Hemisphere occurs twice a year around 20 March (the spring equinox) and around 22 September (the autumn equinox). They ... Winter Solstice by Everything Is Recorded, released 25 January 2024 1. Sierra Kilo Yankee 2. Brilliant White 3. December First 4. Vapour 5. Nimbostratus 6. Sep 22, 2017 ... Equinox is basically the date twice a year when the amount of daylight we get the same as the amount of darkness we get. Mar 20, 2018 ... The four changes of the seasons, related to the position of sunlight on the planet, are captured in this view from geosynchronous Earth orbit.