The start and end dates of the four seasons depend on whether you use the or meteorological calendar. Astronomically, seasons are marked by the Earth's position relative to the sun (solstices and equinoxes), while meteorologists use fixed three-month blocks based on temperature cycles. Seasonal Dates for 2026 Meteorological Dates Astronomical Dates (Northern Hemisphere) Spring March 1 – May 31 March 20 – June 20 Summer June 1 – August 31 June 21 – September 22 Autumn September 1 – November 30 September 23 – December 20 Winter December 1 – February 28 December 21 – March 19 (2027)
Spring (March), Summer (June), Fall (Sept), Winter (Dec). when do the four seasons start and end
The four seasons are an integral part of our planet's annual cycle, and understanding when they start and end can help us appreciate the changing world around us. Whether you're an astronomy enthusiast, a weather buff, or simply someone who loves the outdoors, knowing the dates of the seasons can help you make the most of the year. So mark your calendars, plan your activities, and enjoy the unique characteristics of each season! The Four Seasons: When Do They Start and End