The Hong Kong Mathematical Olympiad has been held since 1998. It is usually held in December and consists of four problems to be solved in four hours.
Hong Kong at International Competitions
Hong Kong participates at IMO since 1988 and at Asian-Pacific MO. The IMO team is selected through selection tests that seem to be independent from the national MO. In the recent history the best success of the team at the IMO was the 17-th place in 2005.