Exact time and date of the June solstice and other seasons. When is the first day of Summer and when does each season start. SEASON definition: one of the four periods of the year (spring, summer, autumn, and winter), beginning astronomically at an equinox or solstice, but geographically at different dates in different climates.

Understanding the Context

See examples of season used in a sentence. Each season lasts approximately 3 months and corresponds to a period of the year which has a relative constancy in terms of temperature and climate. The season change dates are based on the spring and fall equinoxes as well as the summer and winter solstices. Here are the start and end dates for all four seasons in 2026.

Key Insights

This guide shows exact start and end dates for spring, summer, fall, and winter, including both astronomical and meteorological definitions. There are two common ways to define the seasons: Astronomical seasons follow the Sun’s position. Live scores for every 2025 NFL season game on ESPN. Includes box scores, video highlights, play breakdowns and updated odds.