Worst Month of the Year: February. February has only 28 days in it, which means that if you rent an apartment, you are paying for three full days you don't get. Try to avoid Februarys whenever possible.
Black. Simply remove all the little colored stickers on the cube, and each of side of the cube will now be the original color of the plastic underneath - black. According to the instructions, this means the puzzle is solved.
The brussels sprout. This is also the worst vegetable of next year.
August. The lines are the shortest, though.