yup thts what i sed aboveNo its not. And the fact that it happens every 11 years is WRONG
It happens every year except in a leap year where you have 29 days in the month of February.
Since the month of February has 28 days and it is dividable by 7 (no. of days in a week)
every time each month of February has 4 days of the week each. (except in a leap year)