Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates instantly
Instant Results
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Why Use Our Unix Timestamp Converter?
Bidirectional conversion
Multiple formats
Timezone aware
Millisecond precision
Technical Details
Unix epoch: January 1, 1970 00:00:00 UTC
Unit: Seconds since epoch (or milliseconds)
Range: Signed 32-bit (until 2038) or 64-bit
Timezone: Always based on UTC
Common Use Cases
Log Analysis
Convert Unix timestamps in log files to readable dates.
Database Queries
Work with epoch timestamps stored in databases.
API Development
Debug APIs that use Unix timestamps for dates.
JWT Debugging
Convert JWT exp and iat claims to readable dates.
Pro Tips
- JavaScript uses milliseconds, Unix traditionally uses seconds
- Year 2038 problem affects 32-bit timestamps
- Negative timestamps represent dates before 1970
Example
Input
1609459200
Output
January 1, 2021 00:00:00 UTC
Frequently Asked Questions
Unix epoch: January 1, 1970 00:00:00 UTC
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All processing happens locally. Nothing is sent to any server.