She will be joined by Prince Philip at a service at Westminster Abbey, followed by a reception at Marlborough House, central London.
There will be further engagements in London on Wednesday and Thursday.
The Queen, who left hospital on Monday, cancelled a visit to Rome planned for this weekend.
She had missed a military ceremony in Swansea to mark St David’s Day on Saturday because of the stomach bug.
On Sunday, she was driven to London’s King Edward VII hospital from Windsor Castle, where she had been resting after carrying out a private medal presentation earlier in the day.
