Unix Timestamp Converter
Use unix timestamp converter locally, without uploading your data.
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What this tool does
Use unix timestamp converter locally, without uploading your data. UTC timestamps; supply Z or an explicit timezone in dates to avoid local-time ambiguity.
How to use the Unix Timestamp Converter
- Enter or select timestamp or iso 8601 date.
- Enter or select direction.
- Enter or select timestamp unit.
- Read the calculated result; change any measurement to compare alternatives.
Formula
Unix epoch milliseconds = seconds×1000; Date ISO output is UTC
- value
- Timestamp or ISO 8601 date
- direction
- Direction
- unit
- Timestamp unit
UTC timestamps; supply Z or an explicit timezone in dates to avoid local-time ambiguity.
Worked example
For unix timestamp converter, the following measurements illustrate the exact method: Timestamp or ISO 8601 date: 1791331200; Direction: date; Timestamp unit: seconds.
Inputs
- Timestamp or ISO 8601 date1791331200
- DirectionTimestamp to date
- Timestamp unitSeconds
Result
- UTC ISO date2026-10-07T00:00:00.000Z
- Unix seconds1,791,331,200
- Unix milliseconds1,791,331,200,000
Results explained
- UTC ISO date
- UTC ISO date from the formula above. UTC timestamps; supply Z or an explicit timezone in dates to avoid local-time ambiguity.
- Unix seconds
- Unix seconds from the formula above. UTC timestamps; supply Z or an explicit timezone in dates to avoid local-time ambiguity.
- Unix milliseconds
- Unix milliseconds from the formula above. UTC timestamps; supply Z or an explicit timezone in dates to avoid local-time ambiguity.
Frequently asked questions
Unix epoch milliseconds = seconds×1000; Date ISO output is UTC
UTC timestamps; supply Z or an explicit timezone in dates to avoid local-time ambiguity.
No. Content stays in your browser and no API is called.
Copy the result, review it in your project, and test it in the intended environment.
No. Syntax checks and conversions cannot replace application-specific testing, security review or accessibility review.