Relation pm#relation_to_time (*,time_measure)
  exclusion:  relation_to_situation  spatial_relation_to_entity_with_spatial_feature  relation_to_collection  relation_to_attribute_or_quality_or_measure  relation_from_situation_to_situation  temporal_relation
  supertype:  relation_from/to_thing_of_common_kind  temporal_relation  when_relation
  subtype:  relation_from_situation_to_time (situation,time_measure)
     subtype:  time (situation,time_measure)
        subtype:  date (situation -> time_measure)
     subtype:  duration (situation -> time_measure)
     subtype:  from_time (situation -> time_measure)
        subtype:  departure_time__departuretime (process -> time_measure)
     subtype:  until_time__untiltime__to_time (situation -> time_measure)
        subtype:  arrival_time__arrivaltime (process -> time_measure)
     subtype:  before_time (situation,time_measure)
  subtype:  relation_from_time_to_time (time_measure,time_measure)
     subtype:  near_time (time_measure,time_measure)
     subtype:  before (time_measure,time_measure)
     subtype:  after (time_measure,time_measure)
  subtype:  relation_from_physical_entity_to_time (physical_entity -> time_measure)
     subtype:  check-in__checkin (physical_entity -> time_measure)
     subtype:  check-out__checkout (physical_entity -> time_measure)
  subtype:  creation_date (*,time_measure)
     subtype:  first_release__firstrelease (*,time_measure)