Epoch Converter

Convert between Unix timestamp and local time in any IANA timezone — DST-aware.

Direction Timezone (IANA) Examples: Europe/Warsaw, America/New_York Timestamp (Unix) 10 digits ≈ seconds, 13 digits ≈ milliseconds

Timezone

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Offset

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DST

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Local time UTC ISO 8601 RFC 3339 Unix (seconds) Unix (milliseconds)

What is Unix time?

Unix time counts seconds since 1970-01-01 00:00:00 UTC. Milliseconds are seconds × 1000.

DST and timezone offsets are applied when converting to local time.