February 16^th, Thursday
The online registration procedure starts at the IMO-official site

March 31^st, Wednesday
Last day to accept online the official invitation to participate.

April 30^th, Friday
Last day for the receipt of the problem proposals.

April 30^th, Friday
Last day for the online registration of leaders, deputy leaders and observers.

May 31^st, Monday
Last day for the online registration of contestants.

June 10^th, Tuesday
Last day for the online submission of arrival and departure details.