This seems like a rebrand on the International Fixed Calendar[1] proposed in 1902. The idea was to shorten every month down to 28 days create a 13th month, and

This seems like a rebrand on the International Fixed Calendar[1] proposed in 1902. The idea was to shorten every month down to 28 days create a 13th month, and have the last day of the year be an international "Year Day" holiday. 1. https://en.wikipedia.org/wiki/International_Fixed_Calendar https://en.wikipedia.org/wiki/International_Fixed_Calendar