Geeky Hint:  Use the code below to import the Commonwealth Calendar into your favorite calendaring system (e.g., Google, Yahoo, Outlook, et cetera)

XML: https://www.google.com/calendar/feeds/commonwealth.swim.club%40gmail.com/public/basic
iCal: https://www.google.com/calendar/ical/commonwealth.swim.club%40gmail.com/public/basic.ics
HTML: https://www.google.com/calendar/embed?src=commonwealth.swim.club%40gmail.com&ctz=America/New_York
Google Calendar: If you use Google Calendar, add "Commonwealth.Swim.Club@gmail.com" under "Other Calendars".