TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

EQUINOXE PRINTEMPS [3 records]

Record 1 2011-06-29

English

Subject field(s)
  • Chronology
  • The Earth (Astronomy)
  • The Sun (Astronomy)
  • Hydrology and Hydrography
DEF

The point on the celestial sphere where the sun crosses the celestial equator from south to north.

CONT

When the sun crosses the celestial equator on its apparent journey north, about March 21, the northern hemisphere begins spring and the southern hemisphere begins autumn. This point of intersection of the ecliptic with the celestial equator is called the "vernal equinox".

CONT

The vernal or spring equinox is at present on the 20 March, and the autumnal on the 22 or 23 September. Just before the reformation of the calendar they were 11 days earlier.

OBS

The time when the sun is at the vernal equinox defines the first day of spring. This happens on about March 20 each year.

French

Domaine(s)
  • Chronologie
  • Terre (Astronomie)
  • Soleil (Astronomie)
  • Hydrologie et hydrographie
DEF

[...] point où le Soleil traverse l'équateur céleste en passant de l'hémisphère Sud de la sphère céleste dans l'hémisphère Nord.

CONT

[...] à l'équinoxe vernal (ou équinoxe de printemps, 21 [ou 22] mars), on voit apparaître au pôle Nord le soleil, qui disparaît au pôle Sud; à l'équinoxe d'automne ou automnal ([22 ou] 23 septembre), c'est l'inverse.

OBS

À l'équinoxe, la durée du jour est égale à celle de la nuit sur toute la surface de la terre.

Spanish

Campo(s) temático(s)
  • Cronología
  • Tierra (Astronomía)
  • Sol (Astronomía)
  • Hidrología e hidrografía
Save record 1

Record 2 2004-06-03

English

Subject field(s)
  • Chronology
  • The Earth (Astronomy)
  • The Sun (Astronomy)
  • Hydrology and Hydrography
DEF

Specific moment in the year (on March 21) when the Sun is directly on the celestial equator, moving north of the celestial equator.

CONT

The autumnal equinox is on about September 22nd and the vernal equinox is on about March 21st every year. These dates vary slightly because of leap years. The days of the equinoxes are remarkable for having the same length of daylight as they have of darkness.

OBS

Marks the beginning of spring.

French

Domaine(s)
  • Chronologie
  • Terre (Astronomie)
  • Soleil (Astronomie)
  • Hydrologie et hydrographie
DEF

Moment de l'année où le Soleil se trouve dans le plan de l'équateur terrestre et où ses rayons sont perpendiculaires aux divers points de l'équateur.

OBS

L'équinoxe de printemps a lieu le 21 ou 23 mars.

Key term(s)
  • point vernal
  • équinoxe vernal

Spanish

Campo(s) temático(s)
  • Cronología
  • Tierra (Astronomía)
  • Sol (Astronomía)
  • Hidrología e hidrografía
DEF

Equinoccio en el que la declinación del Sol pasa de negativa a positiva.

CONT

El equinoccio de primavera ocurre el 20 ó 21 de marzo, según los años, al pasar el Sol del hemisferio celeste Sur al hemisferio Norte.

Save record 2

Record 3 1994-05-31

English

Subject field(s)
  • Mathematical Geography
  • Remote Sensing
DEF

The intersection of the celestial equator with the ecliptic, with the positive sense being from the Earth to the sun, as the sun crosses the equator from south to north.

OBS

Term and definition provided by the Canadian Hydrographic Service.

French

Domaine(s)
  • Géographie mathématique
  • Télédétection
DEF

Un des deux points d'intersection de l'écliptique et de l'équateur céleste; le sens positif étant de la Terre au soleil lorsque ce dernier traverse l'équateur du sud au nord.

Spanish

Save record 3

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