According to these econonsense no industry fanatics. We used up a years worth of resources by August 2nd the earliest ever according to this group. They say we need 1.7 earths to support our usage. It is likely subjective and meant to discourage production and consumption.

On the site they have a personal use calculator.
According to the calculator if everyone lived like I did , June 18 would be the date and We all would need 2.2 Earths.
What are the other gulchers resource calculations?