Moon in New Phase on January 3; Full Moon Expected January 13

Since before written history, human beings have looked to the Moon to mark the passage of time, and January 2025 offers no exception to that ancient rhythm. On the 3rd, the Moon rests in its New phase — barely a whisper of light at 12 percent visibility — poised to grow through Crescent, Full, and Waning before completing its cycle anew on the 29th. This 29.5-day lunation, mapped here by Brazil's National Meteorology Institute, is more than an astronomical curiosity; it is the oldest calendar humanity has ever kept, one that continues to shape tides, wildlife, agriculture, and the quiet textur