Ready for the first day of spring? What we know about the 2025 spring equinox, the autumnal equinox, summer and winter ...

The difference between an equinox and a solstice is based on Earth’s tilt, affecting daylight length and the changing of ...

Day and night aren't exactly 12 hours on the day of the equinox because the Earth's atmosphere refracts, or bends, light in an optical ... 2025. Teh winter solstice is Sunday, Dec. 21, 2025.

The summer solstice, the longest day of the year, falls on Friday, June 20, 2025, while the winter solstice ... or bends, light in an optical illusion that brings more daylight than there really ...