Our ultimate guide to observing the moon will help you plan your next skywatching venture whether it be exploring the lunar seas, mountainous terrain, or the many craters that blanket the landscape.

What is the moon phase today? Today, Feb. 13, 2025, the moon is 15 days old and is in the Full Moon phase of its lunar cycle. It is 99% illuminated. Moon phases reveal the passage of time in the ...

the Chinese New Year follows a lunar calendar based the moon's 12 phases. Each phase cycle spans approximately 29 days with the full calendar being about 354 days long. On the Gregorian calendar ...