What is a Unix timestamp?

A Unix timestamp is a numeric value that represents time elapsed since January 1, 1970 at 00:00:00 UTC.

Does this converter support milliseconds?

Yes. The converter accepts 10-digit second timestamps and longer millisecond timestamps.

UTC is a global time standard. Local time includes your browser timezone offset.

Yes. Use the secondary action to convert the current browser time.

Time tool

Convert Unix timestamps into readable local time, UTC time, ISO strings, seconds, and milliseconds.

Unix timestamp or date

Converted time Ready

Use cases

Convert numeric timestamps from logs and monitoring tools into readable values during incident review.

Inspect timestamp fields in API responses, webhook payloads, database rows, and scheduled jobs.

Seconds and milliseconds are easy to confuse. A 10-digit value is usually seconds, while 13 digits is usually milliseconds.

FAQ

The result includes both local browser time and UTC so you can compare them directly.

Yes. The converter accepts a parseable date string as well as Unix timestamp values.

The Unix epoch is January 1, 1970 at midnight UTC, the reference point for Unix timestamps.