If you are that kind of person who is obsessively hygienic, that means you frequently do cleaning. That kind of people would feel bad when they forgot cleaning . Therefore they need a cleaning calendar that helps them organize cleaning dates. These kind of schedules are not for hygiene obssesive peopel only but for women who want to clean their houses regularly.
When you have a cleaning schedule like this one, you have the advantage of having a regular plan. You know when you have to do cleaning. For that reason, you always will have a clean and well arranged house.