Meteorologists and climatologists split the year into neat, three-month blocks based on temperature patterns and the calendar. This makes seasonal climate statistics and forecasting much easier.
These are defined by the Earth's position relative to the Sun. They begin at the solstices (the longest and shortest days of the year) and equinoxes (when day and night are equal).
For a farmer or a gardener, spring doesn't start on March 1st or March 20th. Spring starts when the soil reaches a specific temperature. It starts when the lilacs bloom or when the first robin appears. when does each season start
Many cultures use alternative systems:
This has given rise to (or Cross-Quarter Days), which attempt to align the calendar with how the season actually feels . In this system, the solstices and equinoxes mark the middle of the season, not the start. Meteorologists and climatologists split the year into neat,
Here’s a concise, informative piece explaining when each season starts, depending on whether you follow or meteorological definitions.
Note: Meteorological seasons are the same dates worldwide for a given hemisphere. They start on the first of the month, always. They begin at the solstices (the longest and
In this system, the seasons are defined strictly by the Gregorian calendar and the annual temperature cycle. The year is sliced neatly into four chunks of three months each:
