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English

The declination measures how far the sun is above the celestial equator; at the equinoxes, δ=0 whereas it equals roughly ±23.5° at the summer and winter solstices.

Chinese

赤緯是太陽與天球赤道相距的角度,在春分和秋分的分點,δ=0;在夏至和冬至的至點,大約是±23.5°。