Was 1172 a leap year?
Q: Was 1172 a leap year?
A: Yes, 1172 was a leap year.
Q: What is a leap year?
A: A leap year is a year that has an additional day (February 29th) added to the calendar to align it with the solar year.
Q: How often do we have leap years?
A: Leap years occur every four years, with a few exceptions.
Q: What are the exceptions of leap years occurring every four years?
A: Leap years do not occur in years that are divisible by 100 but not by 400. For example, the year 1900 was not a leap year, but the year 2000 was.
Q: Why do we have leap years?
A: We have leap years to keep our calendar in sync with the solar year, which is approximately 365.25 days long.
Q: What happens if we don't have leap years?
A: If we did not have leap years, our calendar would gradually fall behind the solar year, and eventually, seasonal events such as the solstices and equinoxes would occur in the wrong months.
Q: Who invented leap years?
A: The concept of leap years was first introduced by Julius Caesar in 45 BCE, and it has been refined and adjusted over the centuries.
