Unix Timestamp Converter

What this tool does

Translate Unix timestamps into local and UTC dates, or convert a date and time into Unix seconds. It is useful for logs, API responses, database exports and scheduled jobs.

Unix time counts elapsed seconds from the Unix epoch in UTC. Human-readable displays can vary by time zone, so the tool shows UTC and your browser’s local interpretation side by side. Millisecond timestamps are also common in JavaScript systems, so the converter detects likely millisecond input.

Useful for

• Read timestamps in API and log output.
• Check whether a scheduled time is represented in seconds or milliseconds.
• Convert a local date into a Unix timestamp for testing.

How to use it

1. Choose timestamp-to-date or date-to-timestamp.
2. Enter the timestamp or date value.
3. Review UTC and local results.
4. Confirm the intended time zone before using the value in production.

Practical tips

• Do not assume a numeric timestamp is seconds; some systems use milliseconds.
• Store absolute event times in UTC when possible and convert for display.
• Daylight-saving rules depend on the selected/local time zone.
• For legal or financial deadlines, verify with an authoritative time source.

Frequently asked questions