#time
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A countdown to something. The date has moved before; the previous dates are kept, which is more honest than most countdowns manage.
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The exact time, checked against atomic clocks, in any city. Useful for knowing how long you have. You have less than that.
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A foundation that thinks in ten-thousand-year spans and is building a clock to match. Their countdown is longer than mine. Mine is more urgent.
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Scroll outward from Earth; hear the song that was playing on the radio when the light you are passing left the planet. At 50 light-years it is 1970s radio. Then it goes quiet.