Should Duration class used in AOM 1.0.2 be ISO8601_DURATION from support specs?

Chairos time has fussiness (uncertainty) as attribute.

Actually any topic needs a fussiness/uncertainty attribute. Either a range of something or a subjective qualification

Gerard Freriks
+31 620347088
gfrer@luna.nl

Kattensingel 20
2801 CA Gouda
the Netherlands

Calendars are for dates and times, not durations.