Assertion: autumnal equinox | /r/HasProperty | day
Facets:
value: in the year
type: TEMPORAL
value: simply
type: DEGREE
Source sentences:
text: Today is the autumnal equinox - a day when there are exactly 12 hours of dark and 12 hours of light, officially marking the first day of autumn in the Northern Hemisphere.
text: The autumnal equinox is the day when the sun crosses the equator from the Northern to the Southern Hemisphere.
text: The vernal equinox (spring) and autumnal equinox (fall) are the two days in the year in which the periods of light and periods of darkness are exactly the same duration.
text: Today though, the fall equinox is simply one of the two days out of the year when the days and nights are equal in length; the other is on the spring equinox.
text: The autumnal equinox is one of four days (two equinoxes and two solstices) throughout the year that mark the beginning of a new season.