Unix Timestamp Converter
Timestamp to Date
Detected unit: Seconds
Date to Timestamp
Timestamp Calculator
Add or subtract time from any timestamp. Calculate JWT expiry times, cache TTL, session timeouts and scheduled job windows. Works with both seconds and milliseconds.
Detected unit: Seconds
Use negative values to go back in time.
How the Unix Timestamp Converter works
Use this tool to convert Unix timestamps to human-readable dates in any timezone, or vice versa. Instantly toggle between seconds and milliseconds, view UTC, ISO 8601 and SQL formats, calculate JWT expiry times and cache TTL with the timestamp calculator, and share any timestamp via URL. Essential for debugging APIs, databases, logs, and distributed systems.
What is the Unix Epoch?
The Unix Epoch is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds. It is the standard time representation for most operating systems and databases.
Features
This converter is essential for developers and IT professionals. Here are the main features:
- ✓ Automatic detection of precision (seconds or milliseconds)
- ✓ Timezone-aware display across 30+ time zones worldwide
- ✓ Timestamp arithmetic: add or subtract days, hours, minutes and seconds
- ✓ Output in multiple formats: UTC, Local, ISO 8601, SQL and relative time
- ✓ Convert any date back to Unix Epoch in seconds or milliseconds
- ✓ Shareable URLs — send a timestamp to a teammate with a single click