Epoch Timestamp Units
Seconds: 10 digits, common in many programming languages.
Milliseconds: 13 digits, common in JavaScript and APIs.
Nanoseconds: 19 digits, used in high-precision systems.
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Epoch Converter
Convert between UNIX timestamps in seconds, milliseconds, and readable dates.
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Seconds (10-digit)
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Milliseconds (13-digit)
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ISO 8601 (UTC)
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Human Readable (Local)
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Relative Time
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Timestamp Formats
Seconds
10 digits
e.g. 1718800000
Milliseconds
13 digits
e.g. 1718800000000
Nanoseconds
19 digits
e.g. 1718800000000000000
FAQ
What is the UNIX epoch?
January 1st, 1970 at 00:00:00 UTC is the start of UNIX time.
Does this work for timestamps before 1970?
Yes, negative timestamps represent dates before the epoch.
How To Use It
The Year 2038 Problem
32-bit timestamps will overflow in January 2038.
Use 64-bit timestamps or datetime libraries for long-term apps.
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