Heritage Park High School Graduation Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: May 19, 2017 @ 12:00 pm – 5:00 pm 2017-05-19T12:00:00-05:00 2017-05-19T17:00:00-05:00 Public Ceremony is from 3:00pm to 4:00pm.