Horairesdouverture24 is a French online directory designed to help people quickly find business and public-service opening hours. Its listings cover a wide range of organizations and providers, including shops, companies, government offices, doctors, restaurants and service professionals. Users can search by what they need, location, distance and whether a place is open at a particular time. Entries may include opening hours, addresses, contact details and other information. The site also features user reviews and recent directory updates, helping visitors assess listings and discover local businesses.

Businesses and users can submit new listings, report or revise opening hours, and request removals; the site says these contributions are free. Its community-contribution model is also highlighted in information about earning money for reporting opening hours, with payments of up to 26 cents per reported schedule. Additional resources include help pages, FAQs, contact options, city directories, and tools for webmasters. Horairesdouverture24 is part of a family of directory sites that also includes Oeffnungszeitenbuch.de and Oraridiapertura24.it.