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Unix Timestamp Converter
The current Unix timestamp — live.
What is a Unix timestamp?
Seconds elapsed since midnight UTC on 1 January 1970. A universal integer representation of a moment in time, used in virtually every API and programming language.
Seconds vs milliseconds
10-digit = seconds (~1.7 B now). 13-digit = milliseconds. The converter auto-detects which you entered.
Year 2038 problem
Signed 32-bit timestamps overflow on 19 January 2038. 64-bit systems (all modern hardware) are unaffected.
Frequently asked questions
What time zone is a Unix timestamp?
Always UTC. The time zone is applied when converting to human-readable format.
How do I tell seconds from milliseconds?
10 digits = seconds, 13 digits = milliseconds. Auto-detected here.
Can I use this for API debugging?
Yes — paste any timestamp from a JSON response to see what moment it represents.
What is epoch time?
Another name for Unix time — the number of seconds since the Unix Epoch (1 Jan 1970 00:00:00 UTC).