Autumn begins when the Sun crosses the celestial equator moving south.
Winter brings the coldest weather of the year, freezing temperatures, and the shortest days of daylight.
June 1 – August 31
If you're interested, I can also explain the specific dates for the or explain the subtle differences in weather between the two systems. Just let me know! when do the four seasons start and end
June 20 or 21. This is the longest day of the year.
It's worth noting that the exact dates of the seasons can vary slightly from year to year due to the Earth's elliptical orbit around the sun. Additionally, some cultures and traditions may celebrate the start of the seasons on different dates.
Implications
May 31, 2026 (Meteorological) / June 20, 2026 (Astronomical)
Winter brings the coldest weather, shortest days, and longest nights of the year due to the hemisphere facing away from the sun. Northern Hemisphere
Since astronomical dates vary slightly, here are the specific start dates for 2024 and 2025. Autumn begins when the Sun crosses the celestial
Astronomical seasons are defined by the Earth’s tilt and its orbit around the sun. In the Northern Hemisphere, these dates generally fall around the 20th–22nd of the month. Starts: Typically around March 20–21 .
Differences vs astronomical
Spring begins when the Sun crosses the celestial equator moving north. Just let me know
The solstices and equinoxes are essential dates that mark the beginning of each season: