Skip to content
Calculator Tools
Developer Tools

Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates, in seconds or milliseconds.

Enter values

Results update as you type.

Result

UTC date and time

2026-01-01 00:00:00 UTC

Unix time counts seconds since 1 January 1970 UTC, ignoring leap seconds.

ISO 8601
2026-01-01T00:00:00.000Z
Day of week
Thursday
Date only
2026-01-01
In seconds
1,767,225,600
In milliseconds
1,767,225,600,000
Years from the epoch
56.0011

About the Unix Timestamp Converter

Convert between Unix timestamps and human-readable dates, in seconds or milliseconds.

Also known as: epoch converter, timestamp to date, date to timestamp, unix time converter, epoch time.

How to use this calculator

  1. Enter convert.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

timestamp = milliseconds since 1970-01-01T00:00:00Z ÷ 1000

Worked example

Using the values pre-filled in the calculator above:

  • Convert: Timestamp → date
  • Unix timestamp = 1,767,225,600
  • Timestamp unit: Seconds

the calculator returns:

  • UTC date and time: 2026-01-01 00:00:00 UTC
  • ISO 8601: 2026-01-01T00:00:00.000Z
  • Day of week: Thursday
  • Date only: 2026-01-01

Frequently asked questions

What is the year 2038 problem?

A signed 32-bit timestamp overflows on 19 January 2038. Modern systems use 64-bit values and are unaffected.