Star Computers

Timestamp Converter

Convert between Unix epoch (seconds and milliseconds), ISO 8601, RFC 2822, and your local timezone. Accepts "now" and relative formats.

DevOps

Convert timestamps

Bidirectional converter between Unix epoch (seconds or milliseconds), ISO 8601, and human-readable formats. Shows both UTC and your local zone.

Input formats accepted

  • Unix seconds — 9-11 digits (1713600000).
  • Unix milliseconds — 12-14 digits (1713600000000).
  • ISO 8601 — 2026-04-20T12:00:00Z or with an offset.
  • RFC 2822 / natural — Sun, 20 Apr 2026 12:00:00 GMT or 2026-04-20 12:00.
  • now — current moment.

What you get back

  • Unix seconds and milliseconds.
  • ISO 8601 in UTC.
  • RFC 2822 formatted UTC string.
  • Your browser’s locale-aware rendering in its detected timezone.
  • Relative distance (“3 days ago”, “in 2 hours”).

Each row has a copy button — handy when you need to paste a value into a query, a config file, or a bug ticket.

Privacy

Pure client-side JavaScript. No input is transmitted.