To avoid print showing through a double-sided calendar, either print single-sided with the backs of the single-sided pages facing each other, or print on paper thicker than the standard 20 # thickness.
Earth Epic Calendar, Year 11722 EE. (Including Westcrossing 11721, starting on August 8, 2021 and then the year from November 7, 2021 through November 6, 2022)