3:00 pm
Now, on normal cable ceremonies start at 5:30pm hst on nbc.
Opening Ceremonies are July 27th and Closing Ceremonies are August 12th
This year the time of opening is 9:00 PM London Time
NOW
Opening ceremonies for the 2012 Summer Olympic Games commence at 4 PM Eastern Daylight Saving Time on July 27.
7:30 pm
The opening ceremony signifies the start of the Olympic games and the closing ceremony signifies the end of the games.
Opening ceremonies for the 1972 Summer Olympics were held on August 26.
The opening ceremonies of the Beijing Olympics will begin August 8, 2008 (8/8/08) at 8:08:08 pm local time (the number 8 is considered lucky in China). However, initial rounds of the soccer competition will start two days before the opening ceremonies.
It will start at 9:00 PM GMT and torch will be lit shortly after. In USA it will air at 7:30-12:00 AM
opening ceremonies started 6pm PST 12 February 2010. some ski jump qualifying started earlier that day (10am) the rest of events start morning of 13 February 2010