As they're objects themselves, these dates have a bunch of methods that help us use them.
Let's build a date string ourselves, shall we?
Nice! What's up with the + 1, though? Well, getMonth() returns the month as a number that starts with 0. So does getDay() with the weekday, by the way.
Whoa! As it turns out, getDay() returns the weekday from 0 to 6, not the day of the month.