Unix Timestamp Converter

Convert Unix timestamps to dates and dates to timestamps

Current Timestamp

Seconds (10 digits)

1778059773

Milliseconds (13 digits)

1778059773321

Timestamp → Date

Enter Unix Timestamp

Date → Timestamp

Select Date

Select Time

Quick Settings

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Practical Use Cases

API Log Analysis

Convert Unix timestamps in server logs to readable dates to pinpoint exact incident times.

Database Debugging

Transform timestamp column values stored in databases into human-readable format for data verification.

JWT Token Expiration Check

Convert the exp claim timestamp in JWT tokens to verify token expiration time.

Cache TTL Configuration

Calculate precise timestamp values needed for setting TTL (Time To Live) in Redis or CDN cache.

Frequently Asked Questions

What is a Unix timestamp?

A Unix timestamp (Epoch Time) is a number representing the time elapsed since January 1, 1970 00:00:00 UTC in seconds (or milliseconds). It's widely used in computer systems because it represents the same moment in time regardless of timezone.

What's the difference between 10-digit and 13-digit timestamps?

10-digit timestamps are in seconds, while 13-digit timestamps are in milliseconds. JavaScript's Date.now() returns milliseconds, while most Unix system commands use seconds.

What is the Year 2038 problem?

On 32-bit systems that store Unix timestamps as signed integers, an overflow will occur on January 19, 2038. Most modern systems use 64-bit integers to solve this issue.

How are timezones handled?

Unix timestamps are based on UTC. When displaying local time, the browser automatically applies the user's timezone. Using UTC or timestamps for API communication is always recommended.

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