What Day Is The Vernal Equinox In 2025 Uk. The next equinox — the september, or autumnal, equinox — occurs on sept. The spring equinox, or the vernal equinox as it is more formally known, marks the astronomical start of spring, when the sun passes north over the celestial.
This year spring equinox will be celebrated on wednesday 20th march 2025. On march 19, the vernal equinox will see spring come to the northern hemisphere as the sun reaches the spot where the ecliptic and celestial equator cross.
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