Two-way epoch time conversion
Unix Timestamp Converter
Convert epoch seconds or milliseconds into readable UTC and local dates—or turn a local date and time back into Unix seconds.
Unix timestamp to date
UTC: 2026-08-12T12:05:58.657Z
Your timezone: 8/12/2026, 12:05:58 PM
Date to Unix timestamp
Unix seconds
1786536358
Milliseconds: 1786536358000
How to use the Unix timestamp converter
- STEP 1Enter a Unix value or choose a local date and time.
- STEP 2Run the matching conversion direction.
- STEP 3Use the displayed seconds, milliseconds, UTC, or local result.
About this tool
Translate machine-friendly epoch values into dates for debugging APIs, databases, logs, scheduled jobs, analytics events, and software integrations.
The converter recognizes typical Unix values in both seconds and milliseconds. UTC output uses ISO 8601 formatting for unambiguous copying.
Unix timestamps describe one instant independent of timezone. A human-readable display changes with timezone, but the underlying instant does not.
Frequently asked questions
What is a Unix timestamp?
It is the elapsed time since 00:00:00 UTC on January 1, 1970, usually measured in seconds or milliseconds.
Does the converter accept milliseconds?
Yes. Large timestamp values are automatically interpreted as milliseconds, while standard ten-digit values are treated as seconds.
Which timezone is used for date input?
The date-and-time field uses your browser's local timezone. Results also show UTC where applicable.