https://www.shift2bikes.org/api/events.php?startdate=2025-06-01T00%3A00%3A00-07%3A00&enddate=2025-07-13T00%3A00%3A00-07%3A00
https://www.shift2bikes.org/api/events.php?startdate=2025-06-19&enddate=2025-08-31
as a low bar, munging the calendar plugin's query to chop off the times would allow the browser to recognize them as the same query and cache.