Four Seasons
The expected time and duration of the seasons - spring, summer, autumn and winter - in both Northern and Southern hemispheres is detailed below:
| Northern Hemisphere | Southern Hemisphere | Expected Duration |
|---|---|---|
| Spring | Autumn | From vernal/autumnal equinox (approx. 21 Mar) to summer/winter solstice (approx. 21 Jun) |
| Summer | Winter | From summer/winter solstice (approx. 21 Jun) to autumnal/spring equinox (approx. 23 Sep) |
| Autumn | Spring | From autumnal/spring equinox (approx. 23 Sep) to winter/summer solstice (approx. 2 I Dec) |
| Winter | Summer | From winter/summer solstice (approx. 21 Dec) to vernal/autumnal equinox (approx. 21 Mar) |
