October to November. A transitional period featuring the retreat of the monsoon. Traditional Indian Seasons (Shada Ritu)
Generated by AI for reference purposes Date: April 22, 2026 Subject: Climatology / Basic Earth Science
definition (based on the annual temperature cycle and calendar months) or the astronomical months for the seasons verified
Instead, seasons exist because .
A key takeaway is that while the meteorological season of spring always starts on March 1, the astronomical spring of 2026 begins on March 20. This nearly three-week difference is why you will often see conflicting reports about the "first day of spring." October to November
The months assigned to each season depend on whether you use the or astronomical definition. Meteorologists use fixed three-month blocks based on the calendar and annual temperature cycles, while astronomers use the Earth's orbit and the sun's position (solstices and equinoxes). Meteorological Seasons (Calendar-Based)
As with the meteorological system, the astronomical seasons are also reversed in the Southern Hemisphere. Therefore, summer begins in December, and winter begins in June. A key takeaway is that while the meteorological
When does a season truly begin and end? The answer depends entirely on whether you are looking at the sky or tracking a thermometer. For generations, people have noted a mismatch between the calendar date of a season's arrival and the actual weather outside. To resolve this, scientists utilize two distinct, verified systems to categorize the months for the seasons: and meteorological .
Before listing the months, it is critical to verify which system you are using. The word “verified” here means cross-referencing data from global scientific institutions. According to the and the UK Met Office , both systems below are scientifically accurate, but they serve different purposes.
The Verified Guide to the Months for Every Season If you’ve ever wondered exactly when one season ends and the next begins, you aren’t alone. The answer actually depends on who you ask—meteorologists or astronomers. While we all feel the shift in temperature and see the leaves change, the "verified" dates for the seasons follow two distinct calendars.