vernal equinox in Irish
vernal equinox in Irish
Túsphointe Aries
(astronomy) The moment when the sun appears to cross the celestial equator while tilting towards the observer, taking place in March in the northern hemisphere and September in the southern hemisphere.
cónocht an earraigh
(astronomy) The moment when the sun appears to cross the celestial equator while tilting towards the observer, taking place in March in the northern hemisphere and September in the southern hemisphere.