January 17 — OA’s Birthday (third Saturday of January)
February 28 11:30 a.m. PST — Unity Day (last Saturday of February)
This day recognizes the strength of the Fellowship worldwide. On the last Saturday in February, at 11:30 a.m. pacific standard time, OA members pause to reaffirm the strength inherent in OA’s unity.
April 27 – May 2 — World Service Business Conference, Albuquerque, New Mexico USA
November 21 — IDEA: International Day Experiencing Abstinence (third Saturday in November)
Celebrated the third Saturday in November, this day encourages OA members worldwide to begin or reaffirm their abstinence from compulsive overeating.