The Annual Meeting program will deliver the top science and education related to the field of radiation oncology. The Scientific Program will include the Plenary, Clinical Trials and Late-breaking Abstract sessions, as well as the popular Science Highlights and Cancer Breakthroughs sessions. The Education Program will include all the educational sessions and panels you are used to, as well as the popular Master Classes and Storytelling sessions.

Programming Times

The scientific and educational sessions of the Annual Meeting will take place Saturday, September 30 through Wednesday, October 4. View the daily schedule.

The programming times, listed in Pacific time, are as follows:

Date Time
Saturday, September 30 7:55 a.m. - 6:15 p.m.
Sunday, October 1 7:55 a.m. - 6:00 p.m.
Monday, October 2 7:00 a.m. - 6:00 p.m.
Tuesday, October 3 8:00 a.m. - 6:15 p.m.
Wednesday, October 4 8:00 a.m. - 1:45 p.m.


Program Learn more about the live programming being planned for the 2023 Annual Meeting starting October 1, 2023, at San Diego Convention Center in San Diego.
Meeting Highlights This year's Annual Meeting has been uniquely designed to ensure that attendees from around the globe continue to access timely scientific and educational content. Learn more.
Ticketed Events Interested in attending one of ASTRO's ticketed events? Learn more about these events and the fees associated with each.
Abstracts Late-breaking abstracts submissions will be accepted June 26 through July 23. Learn more about the process.
Meeting onDemand The Annual Meeting onDemand gives registrants the opportunity to extend their learning by accessing content beyond the live participation dates.
Continuing Education Credits Learn about continuing education credits offered at the 2023 ASTRO Annual Meeting and how to claim your credits.

American Society for Radiation Oncology
251 18th Street South, 8th Floor
Arlington, VA 22202
Telephone: 703-502-1550


Connect With Us: