More than 4,200 Diamond Jubilee beacons will be lit across the globe in celebration of the Queen's 60-year reign.
The Queen will light the final beacon from the stage at around 10.30pm following the Diamond Jubilee concert where Stevie Wonder, JLS, Sir Elton John and a host of stars will perform in her honour.
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The EC President said he welcomed a "more realistic tone" as he left discussions with Theresa May, but said more work had to be done.
Mild and a little bit muggy
The England cricketer will miss Wednesday's One-Day International against the West Indies after he was arrested in Bristol on Monday.