A viral theory claims 2025 mirrors 1941 because their calendars match, but does that mean history will repeat itself?

The theory stems from the fact that both years share the exact same calendar, and 1941 is remembered as ''one of the ...

In 2025, the calendar matches 1941, sparking online buzz and historical comparisons. While just a date pattern, it’s fueling ...

Tricky Math, and History, Lead to Leap Year. News. By Wynne Parry published 29 February 2012 ... who has studied the history and mathematics of the Gregorian calendar. ...

Digitizing the calendar amounted to a translation effort that only someone versed in Jewish law, Hebrew, mathematics and coding could undertake. This combination of skills is now fairly common ...

You can't do that, however, with a 12-month calendar and get an odd number of days in the year because of a simple mathematical fact. Whenever you add odd numbers together an even amount of times ...

The Romans added January and February to the calendar but ran into a problem — math and superstition. Here's why February became the odd month out. E. coli found in three Fishers waterways.

One of the interesting things about the history of mathematical notation is its regional variation over the centuries. There was one kind of notation in Italy, another in Germany, the U.K. and France.

The 365-day solar calendar, called the haab, tracked the movement of the sun, while a second ceremonial one called the tzolkin followed a 260-day track linked to ceremonies and celebrations.