Winter Solstice 2025: Everything You Need to Know About the Shortest Day of the Year
15 December 2025Introduction: The Astronomical Significance of the Shortest Day As winter approaches, the winter solstice occurs at 10:03 a.m. EST (15:03 UTC) on Sunday, Dec. 21, 2025, marking a pivotal moment in Earth’s annual journey around the Sun. It marks the shortest day of the year and the first day of astronomical winter in the Northern […]