How do I convert a Unix timestamp to a human-readable date?

Divide the Unix timestamp (in seconds) by 86,400 (seconds per day) to find days since Jan 1, 1970, then add to that date. Most programming languages have built-in functions: Python uses datetime.fromtimestamp(), JavaScript uses new Date(timestamp * 1000), SQL uses FROM_UNIXTIME().

What is the current Unix timestamp?

The current Unix timestamp increases by 1 every second. In May 2025 it is approximately 1,748,000,000. You can check the exact current value with Date.now() in JavaScript (returns milliseconds) or time.time() in Python (returns seconds with decimal).

What is the Year 2038 problem?

The Year 2038 problem (similar to Y2K) occurs because some systems store Unix timestamps as 32-bit signed integers, which max out at 2,147,483,647 - representing January 19, 2038 at 03:14:07 UTC. After that, the value overflows to a negative number. Modern 64-bit systems are not affected, but embedded systems and legacy code may need updates.

Unix Timestamp Converter

Unix Timestamp ? Date

Date ? Unix Timestamp

Current Unix Timestamp: 1785723153

About the Unix Timestamp Converter

This tool converts between Unix timestamps (epoch seconds) and human-readable dates. It works in both directions:

Timestamp ? Date: Enter a Unix timestamp to see the corresponding UTC date and time in multiple formats.
Date ? Timestamp: Enter a UTC date/time to get the corresponding Unix timestamp.

Quick lookups:

What Is a Unix Timestamp?

A Unix timestamp (also called POSIX time or Epoch time) is a system for tracking time as a running total of seconds since the Unix Epoch — 00:00:00 UTC on 1 January 1970. It is timezone-independent: the same integer represents the same instant worldwide regardless of local timezone. Unix timestamps are used universally in programming, databases, log files, and APIs because they are compact (a single 32-bit integer covers dates to 2038; 64-bit timestamps extend coverage billions of years). The 2038 problem concerns systems using signed 32-bit integers, which will overflow on 19 January 2038 at 03:14:07 UTC — rolling over to a large negative number representing 1901.

To convert Unix time to a human-readable date in Python: datetime.utcfromtimestamp(ts). In JavaScript: new Date(ts * 1000).toISOString(). In SQL: FROM_UNIXTIME(ts). Note JavaScript uses milliseconds, not seconds — multiply Unix timestamps by 1000 before passing to Date().

Key Unix Timestamps

Unix Timestamp	UTC Date/Time	Notes
0	1970-01-01 00:00:00	Unix Epoch
1000000000	2001-09-09 01:46:40	Billion-second milestone
1234567890	2009-02-13 23:31:30	Celebrated by programmers
1500000000	2017-07-14 02:40:00	1.5 billion seconds
2000000000	2033-05-18 03:33:20	2 billion seconds
2147483647	2038-01-19 03:14:07	32-bit signed int max (Y2K38)