Yes you can make a quilt in a day if you plan in advance.
1. make sure the rest of the family are camping in another state.
2. unplug the phones
3. stock the fridge with your favorite foods
4. pick a simple pattern one month before you start. I have done this with the around the world pattern!
5. take three weeks to pick your materials and wash them, change your mind and start over.
6. The morning of the big day, run to LQS to buy thread and more material.
7. Go back to LQS to buy needles. Just broke your last one!
8. have lunch
9 start sewing at 1 o'clock. finish the top at midnight!
peace
EDIT: By the way. Quilt in a day does not include the quilting