Thirty days hath September, April, June and November. All the rest have 31 Except February, which stands alone with 29.
I don't think there is a name for it. sorry :(
Vitamin D
ya may day is nothing but which is celebrated on may 1st
ash wednesday cos pancake day is shorve tuesday and it is the startof the christian festival of lent where everybody gives up bad food so they use up what they have in the cupboards to make pancakes