Unix Timestamps Explained: A Practical Guide
December 27, 2025
Unix timestamp (also known as Epoch time) is the number of seconds that have elapsed since January 1, 1970 (UTC).
Why Use Unix Timestamps?
- Timezone independent
- Easy to compare and calculate
- Compact storage
- Universal across programming languages
Common Conversions
Current timestamp: Use Date.now() / 1000 in JavaScript. To convert back: new Date(timestamp * 1000).