Definition of vernal equinox in English:

vernal equinox

noun

Astronomy
  • 1The equinox in spring, on about March 20 in the northern hemisphere and September 22 in the southern hemisphere.

    • ‘It occurs on the first Sunday after the first full moon that occurs on or after the vernal equinox.’
    • ‘Currently, at the vernal equinox, the Sun is in the sign of Pisces, so this is the Age of Pisces.’
    • ‘The day taken to be the invariable date of the vernal equinox is March 21.’
    • ‘A fixed overhang designed for optimal shading on the autumnal equinox casts the same shadow on the vernal equinox.’
    • ‘It falls on the vernal equinox and marks the beginning of the Persian new year.’
    • ‘The performances begin with a Native American Equinox Celebration, which, indeed, takes place today, the vernal equinox.’
    • ‘However, the signs of the zodiac are and always have been counted in 30 degree segments from the vernal equinox point.’
    • ‘Western Christians, therefore, observe the date of the vernal equinox on March 21 according to the Gregorian Calendar.’
    • ‘In theory, Easter falls on the Sunday after the first full moon following the vernal equinox.’
    1. 1.1 The equinox in March.
      Also called spring equinox
    2. 1.2
      another term for First Point of Aries (see Aries)
      • ‘The tides are especially high right now, as we get closer to Samhain and the vernal equinox.’
      • ‘According to the website, Easter falls on the first Sunday following the first ecclesiastical full moon that occurs on or after the day of the vernal equinox.’

Pronunciation

vernal equinox

/ˈekwēˌnäks/