Unix Timestamp Converter
Convert Unix timestamps to readable dates. Convert any date to its Unix timestamp.
💻 Date & Time📐 Unix Timestamp = Seconds since Jan 1, 1970 UTC
Unix timestamp (seconds or ms)
Please enter valid values.
Formula & Reference
| Variable | Formula | Units |
|---|---|---|
| Unix Timestamp Converter | Unix Timestamp = Seconds since Jan 1, 1970 UTC | timestamp |
Step-by-Step Examples
Example 1
Jan 1 2025 Midnight
1735689600.
- = January 1, 2025 00:00:00 UTC
✓ Jan 1, 2025 UTC
Example 2
Milliseconds
1735689600000.
- JavaScript uses ms — divide by 1000 for seconds
✓ Milliseconds detected
Example 3
Current time
Use today's timestamp.
- ~1.73 billion seconds as of 2025
✓ Current epoch time
Real-World Applications
Developers
Debug timestamps in code and logs.
Data Analysts
Convert database timestamps to dates.
API Engineers
Parse API response timestamps.
Security Analysts
Parse log file timestamps.
Common Mistakes to Avoid
⚠️
Seconds vs milliseconds
Unix seconds = ~10 digits. JavaScript ms = ~13 digits. Mixing causes 1000x errors.
⚠️
UTC vs local time
Unix timestamps are always UTC. Local time conversion happens after.
Frequently Asked Questions
What is a Unix timestamp? ▾
Seconds since January 1, 1970 00:00:00 UTC. Used universally in programming and APIs.
Current Unix timestamp? ▾
~1.73 billion seconds as of early 2025. Increases by 1 every second.
Year 2038 problem? ▾
32-bit signed integers max at ~2.1 billion = Jan 19, 2038. Modern systems use 64-bit.