Every four years, an extra day is added to the calendar, But even with leap day, the math doesn't exactly, well, math.

The original Roman calendar divided the year from March to December into 10 months of either 29 or 31 days, based on lunar ...

Presidents Day is a federal holiday celebrated each year in mid-February to honor past U.S. presidents. Locally, it's part of ...

The U.S. Postal Service, banks, the stock market and most schools will be closed on Presidents Day. Most retail and grocery ...

Well, Christmas has come and gone. All in all, and only speaking for myself, it wasn’t a bad holiday. The celebrations were festive, people seemed to be in a cheerful mood, and the museum ...

Noting that in 2025 the date coincides on the West’s Gregorian calendar and the East’s Julian calendar, Pope Francis said that “I renew my appeal that this coincidence may serve as an appeal to all ...

Easter is fast approaching. Here's a look at why the date of Easter changes every year and what to know about the holiday.

Play the USA TODAY Daily Crossword Puzzle. In 2026, Easter will be April 5 based on the Gregorian calendar and April 12 based on the Julian calendar. Why isn't Easter on a set day? According to ...

Prior to the Gregorian and even Julian calendars, Roman King Numa Pompilius (715-673 BC) set about creating a calendar with equal-length months, the University of Chicago said. "When Numa ...