A 13-month calendar (January 2026 - January 2027) calendar with photos by Galadriel Chilton. Photos are of three cats: Mercury, Marvin, and Artemis. All proceeds go to Our Companions Animal Sanctuary (https://www.ourcompanions.org/). This calendar includes major United States holidays, days and weeks honoring knowledge and information (e.g., Open Access week), as well as select United Nations international days, Christian, Islamic, and Jewish observances, and Kwanza.