The Moon reaches first quarter at 10:45 p.m. CST tonight. At first quarter, sunlight illuminates exactly half of the Moon’s visible disk. That fraction will grow every day until full Moon, on January 10.
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The Moon reaches first quarter at 10:45 p.m. CST tonight. At first quarter, sunlight illuminates exactly half of the Moon’s visible disk. That fraction will grow every day until full Moon, on January 10.