Hack Of The Night : An easy way to tell which months have 31 days

I'm sure you're heard this little rhyme before to remember which months of the year have 31 days..

"30 days has SeptemberAprilJune, and November. When short February's done. All the rest have 31..."

Well I can NEVER remember that!  Then, I came across this picture here, and now I don't think I'll ever forget this.  Does this help you as much as it helps me?