Due to Coronavirus restrictions this year's National Ceremony will be online, with a live stream from Tavistock Square where the event usually takes place.
Simply visit www.CO-Day.org at the time to watch the live stream.
There will be a minute's silence, songs and speeches from around the UK and beyond including:
Israeli conscientious objector Atalya Ben-Abba
Natalia García Cortés from War Resisters' International in Colombia
Actor Michael Mears live from the Conscientious Objectors' Commemorative Stone in Tavistock Square, London
To attend the ceremony, go to www.CO-Day.org just before 4.30pm. The event will be streamed live via Youtube there. There is no need to register in advance, but if you want you can register on this page for email updates.