Instructions
Unix time converter
How to use
Enter a number or a date; the kind is detected. Numbers of 12 digits or more are read as milliseconds.
Enter a number or a date; the kind is detected. Numbers of 12 digits or more are read as milliseconds.
Supported input
Numbers (seconds or milliseconds), YYYY-MM-DD, YYYY-MM-DD HH:MM and ISO 8601. A date alone means local midnight.
Input example
1760000000
Result example
2025-10-09 08:53:20 (UTC)
Troubleshooting
Values that are not numbers or are out of range are not calculated; the message says what to fix.
Limitations
The time zone is this device's. Leap seconds are not represented.
How it works
Converts Unix time in seconds or milliseconds to a date and time, and back. Numbers (seconds or milliseconds), YYYY-MM-DD, YYYY-MM-DD HH:MM and ISO 8601. A date alone means local midnight.
Units & precision
Numbers (seconds or milliseconds), YYYY-MM-DD, YYYY-MM-DD HH:MM and ISO 8601. A date alone means local midnight.