Detected source
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About this tool
Timezone confusion creates false incident timelines and debugging mistakes.
How to use
- Input Unix seconds or milliseconds.
- Select reference timezone and output formatting.
- Use converted values for logs, monitoring, or reports.
FAQ
Does this handle milliseconds automatically?
Input length heuristics help detect second and millisecond values.
Why does my local time differ from UTC?
UTC is absolute, while local output depends on timezone and DST rules.
Can I convert date text back to Unix?
Yes, reverse conversion is useful for API requests and log filters.