The Tokyo Olympics will take place between 23 July and 8 August next year after the Games were postponed for a year due to the coronavirus pandemic.
The International Olympic Committee confirmed the news on Monday, which followed a meeting of the Tokyo 2020 organising committee.
A decision to postpone the Olympic and Paralympic Games was taken last week by the IOC and the Japanese government because of the accelerating threat posed by the pandemic.
A statement from the IOC also confirmed the new dates for the Paralympic Games, which will now take place from 24 August to 5 September. "These new dates give the health authorities and all involved in the organisation of the Games the maximum time to deal with the constantly changing landscape