What is Epoch Time? Complete Guide to Unix Timestamps
Learn everything about epoch time, its history, and why it's the standard for computer time tracking...
Read More →The most powerful epoch time converter online. Convert Unix timestamps to human-readable dates and vice versa. Perfect for developers, data analysts, and system administrators. Support for multiple timezones and date formats.
Convert between Unix timestamp and human-readable date formats with precision
Common epoch timestamps for quick reference and understanding
| Date & Time | Epoch (Seconds) | Epoch (Milliseconds) | Description |
|---|---|---|---|
| January 1, 1970 00:00:00 UTC | 0 | 0 | Unix Epoch Start |
| January 1, 2000 00:00:00 UTC | 946684800 | 946684800000 | Y2K / Millennium |
| September 9, 2001 01:46:40 UTC | 1000000000 | 1000000000000 | 1 Billion Seconds |
| January 1, 2025 00:00:00 UTC | 1735689600 | 1735689600000 | New Year 2025 |
| January 19, 2038 03:14:07 UTC | 2147483647 | 2147483647000 | 32-bit Unix Limit |
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→Epoch time, also known as Unix time, POSIX time, or Unix timestamp, is a system for tracking time as a running total of seconds. This count starts at the Unix Epoch on January 1st, 1970 at UTC.
The epoch time converter allows you to convert these numerical timestamps into human-readable date and time formats, and vice versa. This is essential for:
Our free epoch time converter tool supports conversion in both directions with support for multiple time units (seconds, milliseconds, microseconds, nanoseconds) and over 50 global timezones.
Simple steps to convert Unix timestamps with our free tool
Input your Unix timestamp or select a date and time to convert. Use the "Now" button to quickly input the current timestamp.
Choose the appropriate time unit (seconds, milliseconds) and select your desired timezone for accurate conversion.
Press the convert button to instantly transform your epoch time to a readable date or date to Unix timestamp.
Click on the result to copy it to your clipboard. Use in your code, database, or documentation.
Learn more about Unix timestamps and time conversion
Learn everything about epoch time, its history, and why it's the standard for computer time tracking...
Read More →Understand the Year 2038 problem, why 32-bit Unix time will overflow, and how to prepare your systems...
Read More →Code examples for handling Unix timestamps in JavaScript, Python, Java, PHP, and more...
Read More →Common questions about epoch time converter and Unix timestamps
Unix epoch time is typically represented in seconds since January 1, 1970. However, many modern programming languages like JavaScript use milliseconds for higher precision. Our epoch time converter supports both formats. A timestamp in seconds has 10 digits (e.g., 1734480000), while milliseconds has 13 digits (e.g., 1734480000000).
No, Unix epoch time is always in UTC (Coordinated Universal Time) and is timezone-independent. This makes it perfect for storing timestamps in databases and APIs. When you convert epoch to a human-readable date, you can then apply your local timezone offset. Our epoch time converter handles timezone conversions automatically.
In JavaScript, you can get the current epoch time in milliseconds using
Date.now() or new Date().getTime(). For seconds, divide by 1000:
Math.floor(Date.now() / 1000). You can also use our online epoch time
converter to quickly check and convert timestamps.
The Y2K38 problem occurs because 32-bit systems store Unix time as a signed 32-bit integer, which will overflow on January 19, 2038 at 03:14:07 UTC. After this time, the counter will wrap to a negative number, potentially causing system failures. Modern systems use 64-bit integers to avoid this issue. Use our epoch time converter to explore timestamps around this critical date.
Yes! Negative epoch times represent dates before January 1, 1970. For example, -86400 represents December 31, 1969. Our epoch time converter fully supports negative timestamps, allowing you to work with historical dates.