Timestamp Converter

Convert Unix timestamps to dates and back.

Convert between Unix timestamps (seconds or milliseconds) and human-readable dates, or generate the current timestamp in both units.

10 digits = seconds, 13 digits = milliseconds. Date strings are also accepted.

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Frequently asked questions

Unix time is in seconds or milliseconds?

Traditional Unix time is seconds since 1970-01-01 UTC. Many languages use milliseconds, so this tool supports both.