definition (based on the calendar and temperature cycles). Because Earth is tilted, seasons are reversed between the Northern and Southern Hemispheres. The Old Farmer’s Almanac 2026 Seasonal Dates
Example (Northern Hemisphere, typical year) when do the four seasons start and end
The solstices and equinoxes are essential dates that mark the beginning of each season: definition (based on the calendar and temperature cycles)
🌱 Equinox = roughly equal day & night. when do the four seasons start and end