Unix Time to Date

Convert a Unix timestamp into human-readable UTC and local date/time. Supports both seconds and milliseconds.

Auto-detect treats larger values like 13-digit timestamps as milliseconds.

Result will appear here.
Metric Value

Privacy: conversions run locally in your browser. No timestamps are stored or transmitted.

How it works

The converter interprets the timestamp as either seconds or milliseconds since the Unix epoch (1970-01-01 00:00:00 UTC), then formats the result as both UTC time and your browser's local time.

Examples

  • 0 → 1970-01-01 00:00:00 UTC
  • 1735689600 seconds → a readable UTC and local date
  • 1735689600000 milliseconds → same point in time expressed in ms

FAQ

  • What does this converter do?

    It converts a Unix timestamp into a human-readable date and time.

  • What is a Unix timestamp?

    A Unix timestamp is the number of seconds or milliseconds since 1970-01-01 00:00:00 UTC.

  • How do I know whether my value is in seconds or milliseconds?

    This tool lets you choose the unit explicitly. Seconds are 10-digit style values, while milliseconds are typically 13 digits.

  • Does it show UTC and local time?

    Yes. It shows both UTC and your browser's local time representation.

  • Are my timestamps stored?

    No. All conversions run locally in your browser and are not stored or transmitted.

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