Dayton Hamvention Published December 12, 2024 | By Joel Harrison 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 16, 2025 – May 18, 2025 all-day 2025-05-16T00:00:00-05:00 2025-05-19T00:00:00-05:00 Where: Xenia OH Contact: Event website