Is my input uploaded?

No. This website tool runs in your browser. Only the optional public API version sends input to the authenticated API route.

Can I use this in an application?

Yes. The Developers documentation lists the authenticated endpoint, request parameters and response example.

Should I verify the result?

Yes. Deterministic tools are designed for repeatable results, but format-specific or heuristic output should still be checked for your use case.

Date & Time Calculators

Relative Time Formatter

Describe the difference between two dates as a localized relative phrase such as tomorrow or 3 hours ago.

Free foreverRuns in your browserNo sign-up

Target date and timeCompare from (optional)Locale

Result

Enter your values and select format relative time.

About the Relative Time Formatter

Relative Time Formatter is a focused browser-based utility. Describe the difference between two dates as a localized relative phrase such as tomorrow or 3 hours ago.

The calculation runs locally in your browser, so the supplied value is not uploaded to ToolsOnDuty. The same capability is also available through the authenticated developer API.

Key features

Fast local processing with explicit validation
Copy-ready structured result
No account, upload or paid data provider required

How to use

1Enter a target date, comparison date and locale.
2Choose any available conversion or formatting options.
3Run the tool and review a localized relative-time phrase.

Examples

Relative Time Formatter example

Input: a target date, comparison date and locale

Output: a localized relative-time phrase

Frequently asked questions

Is my input uploaded?: No. This website tool runs in your browser. Only the optional public API version sends input to the authenticated API route.
Can I use this in an application?: Yes. The Developers documentation lists the authenticated endpoint, request parameters and response example.
Should I verify the result?: Yes. Deterministic tools are designed for repeatable results, but format-specific or heuristic output should still be checked for your use case.