We did notice that event start and end times can be used as parameters to the GetFind function in PGC checkers. What we're trying to accomplish is an easy method to retrieve all of the upcoming events for a given region (Michigan) and a group of counties as a table. All that is there. The only thing missing is the start/end times.
We would be using this information to fill in a publicly available calendar of events on the Michigan Geocaching Organization home page and we think it might be useful for other groups also. Yes, we can do a PQ on Geocaching but it's not nearly as useful and requires each event to be examined individually for start/end times.