| Type | Northern Dates | Southern Dates | Basis | |------|----------------|----------------|--------| | | Mar 1 – May 31 | Sep 1 – Nov 30 | Fixed calendar months for climate records | | Astronomical | Mar equinox – Jun solstice (~Mar 20 – Jun 21) | Sep equinox – Dec solstice (~Sep 22 – Dec 21) | Earth’s orbit and sun position |
Not all countries use the same three-month spring definition. months that are in spring
| Month | Typical Order in Spring | Key Traits | |-------|------------------------|-------------| | | 1st month | Equinox (~Mar 20); cool to mild; first blooms | | April | 2nd month | Warmer, rain showers, full bloom | | May | 3rd month | Mild to warm, long days, late spring | | Type | Northern Dates | Southern Dates
It is important to remember that the calendar is inverted below the equator. While the Northern Hemisphere enjoys March through May, the Southern Hemisphere experiences spring during . The biological processes remain the same—blooms, births, and warming trends—but they occur during the final quarter of the calendar year. The biological processes remain the same—blooms
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