URL:https://events.uconn.edu/live/json/v2/events/response_fields/location,summary/date_format/%25F%20%25j,%20%25Y/group/Mathematics Department/tag/mathematics colloquium/max/12/
If not explictly stated otherwise, start_date/today and end_date/6 months are implied in the URL.

URL:https://events.uconn.edu/live/json/v2/events/response_fields/location,summary/date_format/%25F%20%25j,%20%25Y/group/Mathematics Department/tag/mathematics colloquium/max/12/start_date/-6 months/end_date/today/
If not explictly stated otherwise, start_date/today and end_date/6 months are implied in the URL.