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Tools › Time & Date
EPOCH

Epoch / Unix Timestamp Converter

v1.0 · Everything below stays in your browser

Convert between Unix epoch and ISO 8601 / human-readable formats. Milliseconds and seconds both handled.

Runs entirely in your browser · Your input is never transmitted

EPOCH (s or ms)
—Ready
ISO 8601 / Human
—Ready
UTC
—
Local
—
Relative
—
Day of week
—

How to use

  1. Paste an epoch value (s or ms) or an ISO date.
  2. Conversion happens live.

Frequently asked

Auto-detect seconds vs milliseconds?

Yes — values > 10^11 are treated as ms (past year 5138 in seconds), otherwise seconds.