Developer Tools

Unix Timestamp Converter

Convert timestamps in seconds or milliseconds to ISO dates and time zones, or convert an ISO date back to a timestamp.

Your inputs

Epoch: 1970-01-01 UTC. Date input requires Z or ±HH:MM; up to three fractional second digits.

Your results

How to use this tool

  1. Enter your input and select the options.
  2. Process the input and review the result.
  3. Copy, download or print the result. Processing stays on your device.