The ceremony will take place at 11 a.m. on April 29 2011 at Westminster Abbey in London, England.
It takes place at the following times around the world:
3 a.m. in Los Angeles
6 a.m. in New York
12 noon in Paris
2 p.m. in Abu Dhabi
6 p.m. in Hong Kong
8 p.m. in Sydney
Unveiled blog: The latest on the ceremony
The ceremony will probably last around an hour.