Unix Timestamp Converter
Convert Unix timestamps (epoch time) to human-readable dates and vice versa. Support for seconds and milliseconds with multiple output formats.
Current Unix Timestamp
Live timestamp updating in real-time
Local Time: 9/30/2026, 12:02:29 AM
Your Timezone: UTC-07:00
Convert Timestamp to Date
Enter a Unix timestamp to convert it to a human-readable date
What is Unix Timestamp?
A Unix timestamp is the number of seconds (or milliseconds) that have elapsed since January 1, 1970 00:00:00 UTC (the Unix epoch). It's a common way to represent dates and times in programming and databases because it's timezone-independent and easy to calculate with.
Why Use Our Timestamp Converter?
Instant Conversion
Convert between Unix timestamps and dates instantly with support for both seconds and milliseconds.
Multiple Formats
Output in ISO 8601, RFC 2822, or local format. Automatically detects your timezone.
Live Timestamp
See the current Unix timestamp updating in real-time. One-click copy to clipboard.
How It Works
Choose Mode
Select whether you want to convert a timestamp to date or date to timestamp.
Enter Value
Type in your timestamp or select a date and time. Use "Now" for current values.
Copy Result
Get instant conversion with multiple formats. One-click copy to clipboard.
Common Use Cases
Software Development
Debug timestamp issues, convert log timestamps, and work with API responses that use Unix time.
Database Management
Query databases using Unix timestamps, convert stored timestamps to readable dates for analysis.
Testing & QA
Generate specific timestamps for testing date-related features and edge cases in your applications.
Understanding Unix Timestamps
A Unix timestamp (also known as epoch time) represents the number of seconds (or milliseconds) that have elapsed since the Unix epoch: January 1, 1970 at 00:00:00 UTC.
This standardized time format is widely used in programming, databases, and APIs because it's timezone-independent and makes date calculations straightforward.
Key Facts:
- Unix timestamp is always in UTC (Coordinated Universal Time)
- Seconds format: 10 digits (e.g., 1734134400)
- Milliseconds format: 13 digits (e.g., 1734134400000)
- JavaScript's Date.now() returns milliseconds
- Most Unix systems use seconds internally
- The Year 2038 problem affects 32-bit systems (2,147,483,647 seconds limit)
Frequently Asked Questions
What's the difference between seconds and milliseconds?
Unix timestamps can be represented in seconds (10 digits) or milliseconds (13 digits). Seconds are more common in backend systems, while JavaScript and many modern APIs use milliseconds for higher precision.
Does the converter handle timezones?
Yes! Unix timestamps are always in UTC, but when you convert to a date, the tool shows both UTC time and your local timezone. When converting a date to timestamp, it uses your browser's local timezone.
What are the different output formats?
The tool supports three main formats: ISO 8601 (2024-12-14T00:00:00.000Z), RFC 2822 (Sat, 14 Dec 2024 00:00:00 GMT), and Local format which displays the date in your system's locale and timezone.
Your Privacy is Protected
This tool runs entirely in your browser using JavaScript. Your data is never uploaded to our servers or any third-party service. Everything happens instantly on your device.
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