Duration: 3 hours
The first four medals are won at the Aquatics Centre. Can Michael Phelps pick up where he left off in Beijing, or will US compatriot Ryan Lochte take the first honours? Will British world silver medallist Hannah Miley win an Olympic medal in the women's 400m individual medley?
The first British and Irish boxers are in action too, including Britain's Luke Campbell, who won bantamweight silver in the 2011 world championships.
Swimming:
19.30 Men's 400m individual medley final
19.40 Women's 100m butterfly semi-final
19.51 Men's 400m freestyle final
20.09 Women's 400m individual medley final
20.28 Men's 100m breaststroke semi-final
20.48 Women's 4 x 100m freestyle relay final
Swimming commentators:
Andy Jameson
Adrian Moorhouse
Sharron Davies
Boxing commentators:
Ron McIntosh
Richie Woodhall
Jim Neilly.
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