Unix Timestamp Converter
Reads a Unix timestamp as a date and time in UTC.
Date and time (UTC)
—
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Date —
ISO 8601 —
In seconds —
In milliseconds —
The formula
date = 1 January 1970 00:00:00 UTC + timestamp
Unix time counts every day as exactly 86,400 seconds and does not count leap seconds. All results are in UTC.
What to watch out for
Ten digits usually means seconds and thirteen means milliseconds, for dates near the present. Negative values fall before 1970.
Frequently Asked Questions
What date is 1700000000?
2023-11-14 22:13:20 UTC.
What is the year 2038 problem?
A signed 32-bit counter of seconds runs out at 2,147,483,647, which is 2038-01-19 03:14:07 UTC.