Epoch Milliseconds Converter

Convert epoch milliseconds/seconds to readable dates and back, with relative time.

Epoch value:

Unit:

Or pick a date/time:

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How to use

Enter an epoch value or pick a date to convert both ways.

Milliseconds or seconds?

JavaScript Date.now() gives 13-digit milliseconds; classic Unix timestamps are 10-digit seconds. Pick the right unit.

Why is my date in 1970?

You passed seconds where milliseconds were expected — switch the unit selector.

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