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Unix Timestamp Converter

Unix timestamps count the seconds since January 1, 1970 (UTC). This converter turns a timestamp — in seconds or milliseconds — into a readable date in both UTC and your local time zone, and converts a chosen date back into a timestamp. Great for debugging logs and APIs.

How to use the Unix Timestamp Converter

  1. 1Enter a timestamp or date. Type a Unix timestamp, or pick a date and time to convert.
  2. 2Read both directions. See the timestamp rendered as UTC and local time, or the date rendered as an epoch value.
  3. 3Use the current time. Load the current timestamp with one click for quick reference.

Frequently asked questions

Seconds or milliseconds?

Unix timestamps are traditionally in seconds (10 digits). JavaScript and many APIs use milliseconds (13 digits). The converter detects and handles both.

What time zone are the results in?

Dates are shown in both UTC and your browser's local time zone so you can cross-check without doing the offset math yourself.