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Business Day Calculator

Get in touch

We're a small team and we read every message. Whether it's a bug report, a holiday data correction, or just a note, we'd genuinely like to hear from you.

Email us

hello@businessdaycalculator.org

We typically respond within 2 business days.

Found a holiday data error?

If you spot an incorrect, missing, or mislabeled public holiday in any of our supported countries, please email us with the subject line Holiday Data Report. Include the country, the holiday name, the date, and a link to an official source if you have one. We update holiday data at least annually and will prioritize confirmed errors.

Business inquiries

We're open to partnerships, sponsorships, and other business conversations. Reach out to the same email and we'll get back to you.