Timestamp Converter

Convert Unix timestamps to readable dates and vice versa. Supports seconds, milliseconds, ISO 8601, and relative time.

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How to use

  1. Paste a Unix timestamp from a log, or enter a date and time to convert back.
  2. Compare UTC and local time before copying the required format.

This example illustrates one supported operation. Choose the matching mode and settings above; generated values and formatting may vary.

Example input or settings

1704067200

Example result

2024-01-01T00:00:00.000Z

How do I tell seconds from milliseconds?

Modern Unix timestamps are often 10 digits in seconds and 13 in milliseconds. Confirm the unit with the data source.