The Golden Number is used to determine Easter's date. Since the dates of the full moon repeat every 19 years (this is known as the Metonic cycle), you can use the full moon dates and the Golden Number ...

When will the next Halloween blue moon occur? In 2039, after a 19-year Metonic cycle. That's when we will have gone through 235 integer number of moon cycles [full moons] and 19 integer cycles of ...

In other contexts, such as the making of liturgical calendars among people of the Book, the period is known as the Metonic cycle. The Saros cycle also shows up as a dial on the Antikythera ...

Those tribes of a few hundred years ago kept track of the seasons by giving distinctive names to each recurring full moon as the lunar cycle was an important method of timekeeping. Their names ...

In other contexts, such as the making of liturgical calendars among people of the Book, the period is known as the Metonic cycle. The Saros cycle also shows up as a dial on the Antikythera ...

Discover the Antikythera Mechanism, an ancient Greek marvel that challenges our understanding of historical technology and ...

Solar activity waxes and wanes on an 11-year cycle. The current cycle, known as Solar Cycle 25, began in December 2019 and is still in its maximum phase, experts say. "Currently, we're about two ...

(Photo by Cole Burston/Getty Images) The relevant cycles being counted here are oscillations of light itself; actually, fractions of that cycle, in most cases, because the light itself is ...

The cellular life cycle, also called the cell cycle, includes many processes necessary for successful self-replication. Beyond carrying out the tasks of routine metabolism, the cell must duplicate ...

The stock market's overall movements can be described as a repeating cycle that usually has four identifiable stages to it. Understanding the market cycle can help investors make more informed ...

Getty Images / AndreyPopov The eight-step accounting cycle is important to know for all types of bookkeepers. It breaks down the entire process of a bookkeeper's responsibilities into eight basic ...