With a cheap-ass framing device, of course.
CLOVER and Over Again
A BROOM of One’s Own
What’s Yours is MAYAN
Funnily enough, this is actually the first year when Wonderita didn't sigh "Tricked by leprechauns again." But the absolute best part is the follow-up the creator posted a few days after this comic went up:
I got some emails that said the current page's time travel didn't work but IT TOTALLY DOES so I'm including this addendum to prove it. Because if there's something we hold dear here at The Non-Adventures of Wonderella, it's continuity.
Of course! It's all so simple!