Wandering Adventure Party

@lordbowlich @eloquence it always seems to me that calendar GUIs inherit all the confusions of dates generally - that they're semi-regular but also sort of arbitrary boxes of time, that there's a hierarchy of 5 or 6 boxes which can overlap, that you have to know whether a range is inclusive, that there are a million formats mostly riddled with ambiguity, that it all varies geographically and with culture...