The most important way US elections are rigged is not voter disenfranchisement, touch screen voting machines or tampered software in ballot scanners, but media manipulation of public consciousness about the candidates.
30 days has September, April, June and November. All the rest have 31 Except February alone, Which has 28 days clear And 29 in each leap year. Or you can use the knuckle method: A knuckle is 31 days, and in between each knuckle it isn't. And where you hands meet, the two knuckles are July, August, which both have 31 days. (Note: the last knuckle isn't used). Example: October is on a knuckles, so it has 31 days.
February is the only month that is 28 days long in common years and 29 days long in leap years. The Gregorian calendar and the Julian calendar both consist of the following twelve months: 1  January - 31 days.  February - 28 days in a common year and 29 days in Leap Years.