When Is Early 2025 Equinox. Does this date seem early to you? When is the spring equinox in 2025 and why does its date change?
The first day of spring (march equinox or vernal equinox) is when the sun shines directly on the celestial equator passing from south to north and the length of day and night are almost the. Solstice and equinox precise dates and times for the united kingdom (london) gmt time zone.