Free Unix Timestamp Converter Online

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What is a Unix Timestamp?

A Unix timestamp (also known as Epoch time or POSIX time) is the number of seconds that have elapsed since January 1, 1970 (UTC). It's a universal way to represent time that's independent of time zones and widely used in programming and databases.

How to Use Timestamp Converter

Enter a Unix timestamp or a date string
Click 'Convert' to see all date formats
Click 'Now' to get the current timestamp
Copy any result using the copy buttons

Timestamp Converter Features

Convert Unix timestamps to readable dates
Convert dates to Unix timestamps
Support for seconds and milliseconds
Display UTC and local time zones
Show relative time (e.g., '2 hours ago')

Timestamp Converter FAQ

What's the difference between seconds and milliseconds?

Unix timestamps in seconds have 10 digits (e.g., 1704628200), while milliseconds have 13 digits (e.g., 1704628200000). JavaScript uses milliseconds, while many backend systems use seconds.

What is the Y2038 problem?

32-bit systems store Unix timestamps as signed integers, which will overflow on January 19, 2038. Modern 64-bit systems don't have this limitation.

How do I get the current timestamp in code?

In JavaScript: Date.now() (milliseconds) or Math.floor(Date.now()/1000) (seconds). In Python: import time; time.time()