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Equinócio

Equinócio de março 2027

Data e hora

UTC

Visão geral

Sol cruza o equador celeste rumo ao norte — início da primavera.

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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.

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Fonte dos dados

Datas de solstícios e equinócios calculadas com as efemérides JPL DE440 (o mesmo sistema usado pela NASA). Picos de chuvas de meteoros e valores ZHR seguem o calendário anual da International Meteor Organization (IMO). Dados planetários do sistema NASA Horizons.

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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.