Unix timestamp converter

Convert Unix seconds or milliseconds into UTC dates.

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How to use unix timestamp converter

Choose a direction, enter a timestamp or UTC date, and convert.

Things worth knowing

Unix time counts from 1970-01-01T00:00:00Z. The date input on this page is explicitly interpreted as UTC, not your device time zone.

Is my input saved or uploaded?

Your input is processed locally and is not saved by this site. Reloading or leaving the page clears your work. Copy or download anything you want to keep. Only saved and recent tool IDs are stored on this device.

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