Calendar Evolution
The leap year was originally implemented to correct discrepancies in the Roman calendar, which led to significant confusion over time. Julius Caesar introduced the Julian calendar, establishing a more accurate system with a leap day every four years. However, a small error in the calculation of the year's length caused the calendar to drift, resulting in a ten-day discrepancy by the 16th century, prompting the need for reform.In this clip
From this podcast
Everything Everywhere Daily
The Julian and Gregorian Calendars
Related Questions