What is the Unix timestamp?
Unix time is seconds (and milliseconds) since 1970-01-01 00:00:00 UTC. This value updates every second.
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Unix timestamp
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FAQ
It counts seconds since the Unix epoch (1 January 1970 UTC), ignoring leap seconds in typical JavaScript implementations.
The main value is seconds. The detail line shows milliseconds, which many JavaScript APIs use.
No. The epoch offset is UTC-based. Timezone only changes how you display a clock.
APIs, databases, cookies, and logs often store Unix timestamps.
Legacy 32-bit systems had a 2038 limit. Modern 64-bit and JavaScript millisecond times are far beyond that.