A season is a division of the year [1] based on changes in weather, ecology, and the number of daylight hours in a given region.
Use our Seasons Calculator to see exact times and dates for spring, summer, fall, and winter in your city. The year is commonly divided into four seasons: spring, summer, fall (or autumn), and winter. Because we divide a year into 12 months, each season lasts about three months.
Season Start and End Dates for Spring, Summer, Fall, and Winter in 2025–2026 The table below shows all four seasons, including both astronomical and meteorological dates, for quick reference.
season, any of four divisions of the year according to consistent annual changes in the weather.
Seasons of the Year in the United States The four seasons of the year in the United States —spring, summer, fall, and winter — are what determine the weather, the ecosystem, and the hours of daylight throughout the year. What Season is it? The current season in the United States is Fall.
Seasons begin and end on different dates in different countries. The summer solstice is the longest day of the year, and the winter solstice is the shortest. The equinox is the time when the day and the night are the same number of hours, assuming the sun were a point of light at its center.