When it comes to planning the big day, there are a lot of moving parts. You’ve got caterers to consider, photographers to meet, bands to listen to, cakes to taste and well, about a thousand other details to manage.

The key to keeping track (and keeping your sanity) is good old organization and that’s where this downloadable checklist comes in. It contains every detail you could think of (and about a hundred that you didn’t!) like when to send save-the-date cards, book port-a-potties if necessary, and break in those satin pumps so you’re not limping down the aisle on D-day.

For a comprehensive guide to what needs to be done (and when), download the calendar by clicking on the icon above.