The Four Seasons 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. …

Countries define seasons differently. This calculator refers to astronomical seasons, not meteorological seasons. All times are local time for New York.

Countries define seasons differently. This calculator refers to astronomical seasons, not meteorological seasons. All times are local time for Seattle.

What Causes Seasons on Earth? Seasons change because Earth's rotational axis tilts away or towards the Sun during the course of a year.

Earth's axial tilt causes different parts of the Earth to receive more or less solar energy at different times of the year, resulting in distinct seasons.

Open the Seasons Calculator and enter a location into the search field near the top of the page. Use the drop-down menu above the table to select a different year range.

The Earth does not move at a constant speed in its elliptical orbit, so the seasons are not of equal length. On average, summer lasts for 93.6 days in the Northern Hemisphere and 89.0 days in the …

United States 2026 – Calendar with American holidays. Yearly calendar showing months for the year 2026. Calendars – online and print friendly – for any year and month

Opposite Seasons in the North and South Seasons in the Northern and Southern Hemispheres are opposite. When it is winter in the Northern Hemisphere, it’s summer in the Southern Hemisphere. …

The Solstices and the Seasons The December solstice marks the start of winter in the Northern Hemisphere and the start of summer in the Southern Hemisphere, according to one definition.