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Unix Timestamp Converter

Convert Unix time to date or date to timestamp.

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Formulas

Unix time = seconds since Jan 1, 1970 00:00:00 UTC

Also called Epoch time or POSIX time.

Unix Timestamps

Used in databases, APIs, and programming. Current timestamp is ~1.7 billion. Year 2038 problem: 32-bit systems overflow at 2,147,483,647 (Jan 19, 2038). Most modern systems use 64-bit.