Terms of Use

Last updated: 2026-07-28

Use of the site

DateSum is provided free of charge for personal and commercial use. You may link to any page. Automated scraping that burdens the service is not permitted.

No warranty

Calculations are provided in good faith and tested carefully, but the site is provided "as is", without warranty of any kind. Conventions for counting days vary by jurisdiction, contract, and institution.

Not professional advice

Nothing on this site is legal, financial, immigration, or medical advice. For deadlines with legal or financial consequences, verify the counting convention with the institution that set the deadline or a qualified professional.

Limitation of liability

To the maximum extent permitted by law, we are not liable for any loss arising from reliance on the calculations or content of this site.

Changes

These terms may be updated from time to time; the date above reflects the latest revision.