Share-a-thon and Bi-annual General Meeting
​The first 2026 Shareathon will be hosted by the Castlemaine OA group and held on the 21st March. Full details on the program and how to register, are available in the flyer. 

​

Share-a-thons are usually a day of meetings centred around a theme for the day. They are often held twice a year in March and September and include the intergroup bi-annual general meetings and service position elections. The agenda for the 2026 March Bi-annual meeting is available here. 
 

Consider one of the Melbourne OA Intergroup service positions available on the day as part of your recovery journey! For position descriptions please contact oa.melb@gmail.com

​​​​
​​​

Unity Day – February

Unity Day is a day to celebrate the connection of all members and groups of OA to one another.

All members of OA are encouraged to take a moment of silence to express their gratitude for the OA Program.

​

Region 10 Assembly and Convention 

Generally, assembly provides a forum for Overeaters Anonymous Region Ten Intergroups to discuss issues, swap ideas, and conduct the formal business of the region. Region Ten consists of Service Bodies and Intergroups in New Zealand, Australia, the Far East, South-East Asia, and the Western Pacific Basin. Observers are welcome at Assembly, however only elected representatives may vote. ​Convention is an opportunity for fellowship, as members from all over the region share their experience, strength and hope. ​

The 2026 Region 10 Assembly and convention will be hosted in Melbourne from 14-18 October 2026. See the Save the Date Flyer for more information. ​​

​

​World Service Business Conference (WSBC)

The World Service Business Conference, attended by delegates from around the world, meets annually each May to conduct the business of OA and to elect the 16-member Board of Trustees (BOT). The board acts on behalf of all members of the OA Fellowship. The World Service Office (WSO) works with the BOT to provide quality support and services to the entire OA Fellowship.

​

I.D.E.A. – International Day Experiencing Abstinence

Since 1992, on the third full weekend (Friday included) in November, members of Overeaters Anonymous worldwide observe an International Day of Experiencing Abstinence (IDEA). The OA Fellowship created IDEA Day to encourage members and newcomers to abstain from compulsive overeating. 

​

12TH Step Within Day

On the 12th of December (12/12) OA service boards, meetings and individual members are encouraged to reach out to those within the Fellowship who are still suffering from compulsive eating behaviours.

​

OA’s Birthday

Celebrated on the third full weekend (Friday included) of January each year. 

​