Unix Timestamp Converter

Data Converters100% Client-Side

Convert Unix epoch timestamps (seconds & milliseconds) to human-readable date and time formats.

Current Unix Epoch Time
1788532587(1788532587000 ms)

Timestamp → Human Date

Enter Unix Timestamp (sec or ms):
ISO 8601 (UTC):
2026-09-04T14:36:27.000Z
Local Time:
9/4/2026, 2:36:27 PM
GMT / UTC:
Fri, 04 Sep 2026 14:36:27 GMT
Relative:now

Human Date → Unix Timestamp

Seconds (10 digits):
1788532560
Milliseconds (13 digits):
1788532560000
SponsorNon-intrusive

What is Unix Timestamp Converter?

Unix time represents the number of seconds that have elapsed since January 1, 1970 UTC. This tool converts between Unix timestamps (seconds, milliseconds, microseconds) and ISO 8601, UTC, and local timezone formats.

Key Features

Live current Unix epoch clock in seconds and milliseconds
Bidirectional conversion (Timestamp → Date & Date → Timestamp)
Relative time calculation (e.g., "5 minutes ago", "in 2 days")
Displays UTC, Local Time, ISO 8601, and RFC 2822 formats
Supports Unix seconds (10 digits) and milliseconds (13 digits)

Common Use Cases

  • Debugging expiration timestamps in JWT tokens
  • Inspecting database created_at / updated_at integer columns
  • Converting API payload timestamps to local human readable time

Frequently Asked Questions

On 32-bit systems, the signed 32-bit integer timestamp will overflow on January 19, 2038. Modern 64-bit systems handle timestamps for billions of years into the future without issue.