All these things have a historical basis. Are we assuming aliens don’t have cultural things from their own history? > I'm not sure, really. This right here.

All these things have a historical basis. Are we assuming aliens don’t have cultural things from their own history? > I'm not sure, really. This right here. All of these things have reasons that made logical sense at the time. The speaker is just ignorant of history. > so you switch to base-10 at last At last? Are we assuming the aliens have ten fingers? > Your months are named, not numbered? Why would aliens not name things? > yeah, it's Monday or Sunday. Or Friday. The human should explain lunar calendars next.