Earth Death

From Tardis Wiki, the free Doctor Who reference
Earth meets its demise when the Sun engulfs it. (TV: The End of the World)

Earth Death, also known as the end of the world, was the name given to the event in the year 5,000,000,000 in which the planet Earth was ultimately destroyed, having been engulfed by the Sun as it became a red giant.

At Platform One, Earth Death was scheduled for "15 39". (TV: The End of the World)