Why do we have a leap years? Leap years account for the inaccurate measure of time on the 365-day calendar. Technically it takes 365.242190 days for the Earth to orbit the Sun, according to the ...

This discrepancy means that without Leap Years every four years, the world’s calendar would drift away ... ruled that 365 days is one year. The Wall Street Journal reported that major companies ...

Leap day is here ... market investors over the years. The S&P 500 and Dow Jones Industrial Average have both tended to decline on leap day, which is added to the calendar every four Februarys.

Every fourth year, those extra quarter-days get added to the calendar to make one full day – February 29. 2 This means every leap year has 366 days! 3 A leap year happens when the year can be ...

The emperor Caesar adopted a 365-day calendar and added 10 days to it, including a leap day in February every four years, writes Calendar.com. Eventually, the calendar we all know was adopted by ...