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May 21, 2024: 96 % Illumination
Today's Waxing Gibbous Phase :
The Waxing Gibbous on May 21 has an illumination of 96%. This is the percentage of the Moon illuminated by the Sun. The illumination is constantly changing and can vary up to 10% a day. On May 21 the Moon is 12.79 days old. This refers to how many days it has been since the last New Moon. It takes 29.53 days for the Moon to orbit the Earth and go through the lunar cycle of all 8 Moon...