Unix Timestamp Converter
Convert Unix seconds or milliseconds to readable dates—and turn dates back into timestamps.
Seconds and milliseconds are detected automatically.
Timestamp converted successfully.
Converted Values
Copy the exact format required by your application.
178952800717895280070002026-09-16T03:06:47.000+00:00Wed, 16 Sep 2026 03:06:47 +0000Wednesday, September 16, 2026 at 3:06:47 AM UTC2026-09-16 03:06:47 UTCHow to Use
- 1Choose DirectionConvert a timestamp or a date.
- 2Enter ValueSeconds and milliseconds are accepted.
- 3Set TimezoneView the date in the needed region.
- 4CopyCopy any standardized output.
Technical Specs
- Epoch
- 1970-01-01 UTC
- Precision
- Milliseconds
- Formats
- ISO 8601 + RFC 2822
- Timezones
- 10 common regions
Related Tools
Time without ambiguity
Why developers use Unix timestamps
Unix time represents an instant independently of display format. Convert it into local time only at the interface boundary, and retain explicit timezone offsets when exchanging ISO 8601 strings.
Frequently Asked Questions
What is Unix time?+
It counts elapsed seconds since January 1, 1970 at 00:00:00 UTC.
Are milliseconds supported?+
Yes. Values with 12 or more digits are automatically treated as milliseconds.
Does a timestamp include a timezone?+
No. A Unix timestamp identifies an instant; timezone only changes how that instant is displayed.
What is ISO 8601?+
It is a standardized date representation that can include milliseconds and an explicit UTC offset.
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