Unix timestamp
Move between Unix time and readable dates.
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How to use
Select seconds or milliseconds explicitly. Date input accepts ISO 8601 with an offset, or YYYY-MM-DD HH:mm:ss using your selected timezone. Local daylight-saving gaps and invalid dates are rejected.
Example
1704067200 seconds → 2024-01-01T00:00:00.000Z.
Good to know
Where is my data processed?
Your browser performs the operation. Input stays in page memory. Markdown draft saving is available when you explicitly enable it on this device.
Should I choose seconds or milliseconds?
Select the unit used by your source. For example, 1704067200 seconds and 1704067200000 milliseconds both represent 2024-01-01 at midnight UTC.
How is the input timezone determined?
An ISO 8601 offset specifies the timezone explicitly. A date entered as YYYY-MM-DD HH:mm:ss uses your selected UTC or local timezone.