About

Whendays answers everyday date questions: business days between two dates, the date a number of working days out, and the public holidays in a year, all for a specific country's calendar. Here is how those answers are made correct, and what they stand on.

How the answers are made correct

  • A business-day count is only as good as its holiday list, so Whendays offers one only where that list is sourced. Five countries are covered today: the United States, the United Kingdom (England and Wales), Germany, France, and Israel. Each has its non-working days traced to the governing record: the U.S. Code for the federal workweek, the Banking and Financial Dealings Act for UK bank holidays, Germany's constitution and working-hours law, France's Labour Code, and Israel's Hours of Work and Rest Law.
  • Where a country's holidays are not yet sourced, Whendays returns no business-day count rather than a guessed one. A missing answer is honest; a wrong deadline is not.
  • The working week follows the country instead of an assumption: Israel's runs Sunday to Thursday, with Friday and Saturday as the weekend, and the count reflects that.
  • Counting is by calendar date, not the clock. Whendays reads today's date in your detected time zone using the IANA Time Zone Database, so a "10 business days from today" answer holds even when your local date differs from the server's. Time zone changes how a date is displayed, never how many days are counted.
  • Your country is inferred from your IP address to choose the right calendar, and IP location is approximate. This site includes GeoLite2 data created by MaxMind, available from https://www.maxmind.com. If the detected country is wrong, the holidays will be too.

What the answers stand on

  • Dates go in as ISO 8601 (YYYY-MM-DD) and come back formatted for your locale, so a number never means two things. Whendays stands on shared standards: ISO 8601 for dates, the IANA Time Zone Database for zones, and the national laws that define each country's holidays. It names them on purpose, because an answer is only as trustworthy as the record behind it.
  • Each country is vouched only after its non-working days are corroborated against these sources, not taken on trust.

No account, no catch

  • You came for an answer, not a sign-up, so there is none to make: no account, nothing to install, and no personal data to hand over. Whendays sets no cookies of its own and does not store what you type; what it does with data is on the Privacy page.
  • The tool is free, and when ads run they sit below the answer, never over it.
  • No contact form, just an address: email contact@whendays.com.

Last updated: 4 July 2026