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.
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.