The rules that use the category "<time_point>" are:

<vector>

<vector-has_destination-recursive> <time_prefix> <time_point>

<temporal_control_method>

<sp> at <time_point>

at <time_point>

<time_on_target_directive>

<h_hour-time_on_target> <time_point>

<h_hour-time_on_target> <time_point> straight up