A written calendar, then, is not so much as a cognitive tool to assist the reckoning of time, but a cognitive and cultural tool that can either promote social coordination or intersubjective senses of uncanniness, or even both, as in the case of the Jewish calendar. Calendars as artifacts are tools of power and social coordination. There also is an important contrast between complex calendars that require trained experts to interpret them versus simple calendars that almost anyone can use. The former are associated with … [Read more...] about Expert versus Lay Calendars — Thoughts from “Objects of Time”