How many days are in a year?

There are 365 days in a typical year, with the exception of leap years which have 366 days. Leap years occur every four years and are a way to keep the calendar year aligned with the astronomical year. In a leap year, February has 29 days instead of the usual 28. The length of a year is based on the time it takes for the Earth to complete one orbit around the sun, which is approximately 365.24 days. This is why we have leap years to adjust for the additional time and keep our calendars in sync with the astronomical year.