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Timestamp Converter
Free online Unix timestamp converter for UTC and local time zones. Convert epoch seconds or milliseconds instantly.
Convert timestamps
UTC (ISO)
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Local time
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Unix
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What problem does this tool solve?
Timezone mistakes create incorrect incident timelines and make debugging logs unnecessarily slow.
How to use Timestamp Converter
- Enter a Unix timestamp in seconds or milliseconds.
- Select timezone and output format for your target system.
- Use converted time values in logs, dashboards, SQL queries, and API filters.
FAQ: Timestamp Converter
How do I know if my timestamp is seconds or milliseconds?
Length is a quick clue: 10 digits is usually seconds, while 13 digits is typically milliseconds.
Why does converted local time differ from UTC?
UTC is fixed, while local time depends on timezone rules and daylight saving transitions.
Can I convert a date string back to Unix time?
Yes. Reverse conversion is useful when building API requests, monitoring filters, and SQL conditions.