Free Unix Timestamp Converter

Guide

How to convert Unix timestamps

Use this timestamp converter to move between Unix time, UTC dates, local dates, ISO strings, and millisecond timestamps while debugging APIs, logs, databases, analytics events, or scheduled jobs.

1. 1

   Enter a timestamp or date

   Paste a Unix timestamp, millisecond timestamp, ISO date, UTC value, or human-readable date into the converter.

2. 2

   Choose the direction

   Convert timestamp to date when reading logs, or convert date to Unix time when preparing API requests or database values.

3. 3

   Compare UTC and local time

   Check both UTC and local output to avoid timezone mistakes in production debugging or scheduled workflows.

4. 4

   Copy the value you need

   Copy the seconds, milliseconds, UTC date, or ISO value and paste it into your code, query, logs, or documentation.

Timestamp mistakes to watch for

• Mixing seconds and milliseconds, which can shift dates by thousands of years.
• Reading a local time as UTC or a UTC time as local time.
• Forgetting that Unix timestamps are measured from January 1, 1970 at 00:00:00 UTC.
• Copying timestamps with extra whitespace or decimal parts from logs.
• Comparing database timestamps without checking timezone storage rules.

Frequently asked questions