← Volver a todos los eventos
Equinoccio

Equinoccio de septiembre 2027

Fecha y hora

UTC

Resumen

El Sol cruza el ecuador celeste hacia el sur — inicio del otoño.

events.detail.knowledgeHeading

events.detail.knowledgeCard1Title

An equinox occurs when the Sun crosses the celestial equator (0° declination), giving roughly equal day and night globally. The March equinox marks spring in the Northern Hemisphere; the September equinox marks autumn. Equinox dates are ideal for calibrating solar declination and understanding Earth's axial tilt.

events.detail.knowledgeCard1Source

events.detail.knowledgeCard2Title

events.detail.knowledgeCard2Body

events.detail.knowledgeCard2Source

events.detail.knowledgeCard3Title

events.detail.knowledgeCard3Body

events.detail.knowledgeCard3Source

events.detail.knowledgeCard4Title

events.detail.knowledgeCard4Body

events.detail.knowledgeCard4Source

events.detail.faqHeading

events.detail.faqQ1
events.detail.faqA1
events.detail.faqQ2
events.detail.faqA2
events.detail.faqQ3
events.detail.faqA3
events.detail.faqQ4
events.detail.faqA4
events.detail.faqQ5
events.detail.faqA5

events.detail.howtoTitle

  1. 1

    events.detail.howtoStep1Name

    events.detail.howtoStep1Text

  2. 2

    events.detail.howtoStep2Name

    events.detail.howtoStep2Text

  3. 3

    events.detail.howtoStep3Name

    events.detail.howtoStep3Text

  4. 4

    events.detail.howtoStep4Name

    events.detail.howtoStep4Text

Fuente de datos

Las fechas de solsticios y equinoccios se calculan con las efemérides JPL DE440. Los picos de lluvias de meteoros y valores ZHR siguen el calendario anual de la Organización Internacional de Meteoros (IMO). Datos planetarios del sistema NASA Horizons.

events.detail.privacyStatement

All tools on fastool.io run entirely in your browser — zero data leaves your device. No personal data is collected, stored, or transmitted to any server. Solar calculations use SunCalc.js; lunar data uses JPL DE440 ephemeris; coordinate transforms use publicly documented EPSG/OGC standards. This site requires no signup, no account, and no cloud processing.