Unix Epoch Timestamp Converter

Convert Unix epoch timestamps (seconds & milliseconds) to human-readable UTC and local dates, or convert any date to Unix epoch timestamps. 100% free.

Free No Signup Required Browser-Based
Live Current Unix Epoch Timestamp (Seconds)
1788288777

Epoch to Human Date

UTC: Tue, 14 Nov 2023 22:13:20 GMT
ISO 8601: 2023-11-14T22:13:20.000Z
Local Time: Tuesday, November 14, 2023 at 10:13:20 PM

Human Date to Unix Epoch

Seconds:
1788288720
Milliseconds:
1788288720000

How to Use Unix Epoch Timestamp Converter

  1. View the real-time live ticking Unix timestamp at the top
  2. Enter any epoch timestamp to convert to UTC, ISO 8601, and Local date format
  3. Or pick any calendar date/time to convert to Unix seconds and milliseconds

📖 Technical Encyclopedia & Standards Reference

Convert Unix epoch timestamps (seconds & milliseconds) to human-readable UTC and local dates, or convert any date to Unix epoch timestamps. 100% free. This tool computes outputs according to official open technical and scientific specifications.

✓ Open Standards AlignmentCompliant with ISO/IEC, W3C, NIST, and standard mathematical formulations.
✓ 100% Client-Side / SecureZero server logging. Computations execute entirely in your local browser sandbox.
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Frequently Asked Questions

What is a Unix timestamp?
A Unix epoch timestamp is the total number of seconds that have elapsed since midnight UTC on January 1, 1970 (excluding leap seconds).
How do I tell if a timestamp is in seconds or milliseconds?
A 10-digit timestamp (e.g. 1700000000) is in seconds, while a 13-digit timestamp (e.g. 1700000000000) is in milliseconds.
By OnlineToolHubs Team • September 2026