Unix Timestamp Converter
Convert between Unix timestamps and human dates.
Unix (seconds)
1735689600
Unix (milliseconds)
1735689600000
ISO 8601 (UTC)
2025-01-01T00:00:00.000Z
UTC
Jan 1, 2025, 00:00:00 UTC
Local time
Jan 1, 2025, 00:00:00
Relative
1 year ago
About
Type a Unix timestamp (seconds or milliseconds since 1970) and see the date in your local time and UTC. Or type a date and get the timestamp. Common formats are auto-detected.
How to use
- Type a Unix timestamp or a date.
- Read the converted value.
FAQ
Seconds or milliseconds?+
Auto-detected. 10 digits is treated as seconds. 13 digits is milliseconds. Some legacy systems use seconds, but JavaScript and most modern systems use milliseconds.
What's UTC vs my local time?+
UTC is the global reference time, the same everywhere. Local time accounts for your timezone offset. Servers usually log in UTC. Both are shown.