Epoch trivia
Timestamps are more fun than they have any right to be
People have thrown parties for a number. On 13 February 2009 the clock read 1234567890 and developers gathered in a dozen cities to watch it tick over.
the 2038 problem
Signed 32-bit time runs out on 2038-01-19T03:14:07Z
Does this affect me?
At that instant a time_t holding 2,147,483,647 increments once more and wraps to −2,147,483,648, which reads as 1901-12-13T20:45:52Z. Modern 64-bit systems are fine — the exposure is embedded firmware, old filesystem formats, 32-bit database columns and any protocol that pinned the field at four bytes.
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years
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days
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hours
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minutes
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seconds
— seconds of headroom · —% of the signed 32-bit range consumed