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Unix-Zeitstempel zu Datum

Konvertieren Sie numerische Unix-Zeitstempel in lesbare Datumsangaben in UTC und Ortszeit.

Timestamp → date & time

10 digits = seconds · 13 digits = milliseconds (auto-detect explains which it used).

Funktionsweise

  1. A timestamp marks one exact instant; the unit (seconds or milliseconds) tells how finely it counts since 1970-01-01T00:00:00Z.
  2. Auto-detect labels its choice: values under 100,000,000,000 are read as seconds, larger values as milliseconds, and the note under the result tells you which was applied.
  3. The decoded instant is rendered in UTC and in your browser’s local zone, so an instant near midnight is never mistaken for “the wrong day”.

Gut zu wissen

  • Negative values decode normally; -1 is one second before the epoch (1969-12-31 23:59:59 UTC).
  • Range limit: ±8,640,000,000,000,000 ms (the JavaScript Date limits, about years −271,821 to 275,760). Values outside are rejected, not wrapped.
  • Fractional seconds are rounded to the nearest millisecond, and the note says so.
Zeitstempel-ToolsEmpfohlen

Unix-Zeitstempel-Konverter

Konvertieren Sie Unix-Zeitstempel in Datumsangaben und Daten in Zeitstempel in Sekunden oder Millisekunden.

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Zeitstempel-Tools

Millisekunden zu Datum

Konvertieren Sie 13-stellige Millisekunden-Zeitstempel in Datumsangaben.

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Zeitstempel-Tools

UTC-Zeitstempel-Konverter

Konvertieren Sie Zeitstempel direkt in reine UTC-Datums- und Zeitangaben.

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Zeitstempel-Tools

ISO-8601-Konverter

Konvertieren Sie Datumsangaben in ISO-8601-Strings und parsen Sie ISO-Zeichenfolgen.

Tool öffnen

Häufig gestellte Fragen

How do I know if my timestamp is seconds or milliseconds?
Count the digits: 10 digits (e.g. 1700000000) is seconds; 13 digits (1700000000000) is milliseconds. Auto-detect states which unit it applied, without silent guessing.
Why does the UTC date differ from the local date?
A timestamp is one instant; local calendars slice it differently. An instant near midnight UTC can be “yesterday” in New York and “tomorrow” in Tokyo. Both views are shown together.
Are negative timestamps supported?
Yes, pre-1970 instants are negative and decode normally; for example, −1 is one second before the epoch (1969-12-31 23:59:59 UTC).