This new style calendar, which is used up to date, upgrades the Julian calendar. It reduces the number of days in a year from 365.25 to 365.2425 days. To ensure that the calendar is in sync with the equinoxes, Pope Gregory shortened the Julian calendar year by 0.0075 days. The 304-day calendar year began in March (Martius), named after the Roman god Mars. It continued until December, which was harvest time in temperate Rome. The Romans linked each year to the Orthodox New Year, also known as the Old New Year, marks the start of the new year according to the Julian calendar. In 46 BCE Julius Caesar introduced more changes, though the Julian calendar, as it became known, retained January 1 as the year's opening date. With the expansion of the Roman Empire , the use of the Julian calendar also spread. The Julian Calendar was off by 11 minutes every solar year, which added up and made us lose 10 days by the year 1582. The Gregorian Calendar is much more accurate and is only off by 26 seconds every solar year, which will eventually add up to make us lose 1 day by the year 4909. bN48XUK.

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