The Romans added January and February to the calendar but ran into a problem — math and superstition. Here's why February ...

What is the moon phase ... about 14 days later. Thanks to the regular repetition of these moments, since ancient times, the lunar phases have been the basis of the lunisolar calendar.

Here are the dates for the full moons in 2025. The next full moon will be on Friday, March 14, 2025. It will officially reach its full moon phase at 2:55 a.m. EDT (0755 GMT) but local moonrise ...