Current Time

Unix Timestamp:

Human Readable:

ISO 8601:

Unix Timestamp to Date

Unix Timestamp:

Seconds Milliseconds

Converted Date:

Local Time: -

UTC Time: -

ISO 8601: -

Relative: -

Date to Unix Timestamp

Date:

Time:

Timezone:

Unix Timestamp:

Seconds: -

Milliseconds: -

Hex: -

Batch Converter

Batch Input (one timestamp per line):

Seconds Milliseconds

Batch Results:

Ready for batch conversion

About Unix Timestamp Converter

The Unix Timestamp Converter is an essential tool for developers, system administrators, and anyone working with time-based data. Unix timestamps represent the number of seconds (or milliseconds) that have elapsed since January 1, 1970, 00:00:00 UTC, also known as the Unix epoch.

Key Features

Bidirectional Conversion: Convert Unix timestamps to dates and dates to Unix timestamps
Multiple Formats: Support for both seconds and milliseconds timestamps
Timezone Support: Convert between different timezones with automatic DST handling
Batch Processing: Convert multiple timestamps at once
Real-time Display: Live current time display in multiple formats
Multiple Output Formats: Local time, UTC, ISO 8601, and relative time
Export Options: Download batch results as text files

Understanding Unix Timestamps

Epoch: Unix time starts at January 1, 1970, 00:00:00 UTC
Seconds vs Milliseconds: Traditional Unix timestamps use seconds, while JavaScript uses milliseconds
Timezone Independence: Unix timestamps are always in UTC, making them timezone-independent
Year 2038 Problem: 32-bit systems will overflow on January 19, 2038

Technical Notes

Supports timestamps from 1970 to 2038 and beyond (64-bit)
Automatic detection of seconds vs milliseconds based on magnitude
Handles leap years and daylight saving time automatically
All calculations performed locally in your browser
Compatible with all major programming languages and databases

Common Use Cases

Our Unix Timestamp Converter is essential for various development and system administration tasks:

💻 Software Development

API response debugging
Database timestamp analysis
Log file investigation
Cron job scheduling

🔧 System Administration

Server log analysis
Backup timestamp verification
Performance monitoring
Security audit trails

📊 Data Analysis

Time series data processing
Event correlation analysis
Performance metrics evaluation
User activity tracking

🌐 Web Development

Session timeout handling
Cache expiration management
Real-time application sync
Cross-timezone coordination

Frequently Asked Questions

What is a Unix timestamp?

A Unix timestamp is the number of seconds that have elapsed since January 1, 1970, 00:00:00 UTC. It's a standard way to represent time in computing systems and is timezone-independent.

What's the difference between seconds and milliseconds?

Traditional Unix timestamps count seconds since the epoch, while some systems (like JavaScript) use milliseconds. Millisecond timestamps are 1000 times larger than second timestamps.

How do I know if my timestamp is in seconds or milliseconds?

Generally, if your timestamp is 10 digits, it's in seconds. If it's 13 digits, it's in milliseconds. Our tool can auto-detect based on the magnitude of the number.

Why do I see different times for the same timestamp?

Unix timestamps are always in UTC. When converted to local time, they appear different based on your timezone and daylight saving time settings.

What is the Year 2038 problem?

On 32-bit systems, Unix timestamps will overflow on January 19, 2038, at 03:14:07 UTC. Modern 64-bit systems can handle dates far into the future.

Can I convert future dates?

Yes! You can convert any date to a Unix timestamp, including future dates. This is useful for scheduling events, setting expiration times, and planning.

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