Timestamp Converter
Convert Unix timestamps to human-readable dates and back. Auto-detects seconds vs milliseconds.
ms
Enter a Unix timestamp (seconds or milliseconds).
Common Presets
How it works
1
Unix → Date
Paste any Unix timestamp. The tool auto-detects seconds (10 digits) vs milliseconds (13 digits) and converts to ISO 8601, local time, relative time, day of week and ISO week number.
Paste any Unix timestamp. The tool auto-detects seconds (10 digits) vs milliseconds (13 digits) and converts to ISO 8601, local time, relative time, day of week and ISO week number.
2
Date → Unix
Switch to the reverse direction, pick any date and time with the date picker, and get the exact Unix timestamp in both seconds and milliseconds.
Switch to the reverse direction, pick any date and time with the date picker, and get the exact Unix timestamp in both seconds and milliseconds.
3
Presets
Load famous timestamps instantly: Unix epoch (0), Y2K (946,684,800), the Year 2038 problem (2,147,483,647 — the signed 32-bit integer overflow) and more.
Load famous timestamps instantly: Unix epoch (0), Y2K (946,684,800), the Year 2038 problem (2,147,483,647 — the signed 32-bit integer overflow) and more.
4
Copy any format
Every result row has a copy button. The live clock in the header updates every second so you can grab the current timestamp anytime.
Every result row has a copy button. The live clock in the header updates every second so you can grab the current timestamp anytime.