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.

The Lent season – which is a 40-day period of prayer and fasting leading up to Easter – starts on Ash Wednesday and ends on ...

Need a break? 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?

Many Western countries — including the U.S. — use the Gregorian calendar, which is based on a system of 365 days (plus a leap day every four years). Lunar New Year is based the moon's 12 phases.