Time link_time = (*link_time_) (t).get(Time());
Time local_time = (*local_time_)(t).get(Time());
Time duration = (*duration_) (t).get(Time());
Time link_time = (*link_time_) (t).get(Time());
Time local_time = (*local_time_)(t).get(Time());
Time duration = (*duration_) (t).get(Time());