A result in three steps
- 01
Enter an epoch value or a calendar date.
- 02
Check unit detection and the displayed time zone.
- 03
Copy the UTC, local, or Unix result.
23
Data & developer
Unix Timestamp Converter
Converts Unix timestamps to local and UTC dates and returns seconds and milliseconds for a selected calendar date. Time-zone differences are displayed explicitly.
✓ Free✓ No account✓ In-browser
Conversion outputs
Detected unitSeconds
UTC / ISO 8601
2026-01-01T00:00:00.000ZLocal date
Thursday, January 1, 2026 at 12:00:00 AM UTCUnix seconds
1767225600Unix milliseconds
1767225600000UTC / ISO 8601
2026-01-01T00:00:00.000ZBrowser time zone: UTC
When is this tool useful?
- ✓ Inspecting log records
- ✓ Converting API date fields
- ✓ Debugging time-zone issues
Important limitation
Automated output is a preliminary assessment. Do not use it alone for legal, financial, medical, or security-critical decisions.
ABOUT THIS TOOL
Frequently asked questions
Does this tool send input to a server?+
No. Processing runs in this browser tab. Data leaves the page only when you choose to copy or download the result.
Is the result definitive?+
The tool produces consistent output from disclosed rules and browser APIs, but context, data quality, and method limitations can affect it. Verify high-impact decisions.
Is input saved?+
No. Tool input is not persisted to localStorage or another durable store. Only a non-sensitive tool-usage count may be kept on this device for personalized home-page shortcuts.