« All Events This event has passed. Office Closed | Columbus Day October 14 @ 8:00 am - 5:00 pm « BSED October Board Meeting Office Closed | State General & National Election Day » The Big Sky Economic Development offices will be closed today in observance of Columbus Day. Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: October 14 Time: 8:00 am - 5:00 pm