Unix Epoch: What Is Timestamp 0?
Convert local date and time to Unix seconds or milliseconds and decode timestamps back to readable time.
Result
This page opens the Unix timestamp converter already set to 0, the Unix epoch — the moment Unix time began counting. The decoded date, January 1, 1970, 00:00:00 UTC, appears immediately, converted into your selected time zone.
Unix time measures elapsed seconds since that instant, so timestamp 0 is not an arbitrary placeholder — it is the fixed reference point every other Unix timestamp is counted from. A negative timestamp represents a moment before 1970; a positive one, a moment after.
Edit the timestamp field to convert any other value, in seconds or milliseconds, or edit the date and time fields instead to go the other direction and generate a Unix timestamp for a moment you choose. Everything is computed locally using your browser’s own date engine.