Websites:
* Box Office Mojo: [https://www.boxofficemojo.com/](https://www.boxofficemojo.com/) - This is the go-to website for box office information. It has a comprehensive database of movies and their box office performance.
* The Numbers: [https://www.the-numbers.com/](https://www.the-numbers.com/) - Another popular website that offers detailed box office data.
* Rotten Tomatoes: [https://www.rottentomatoes.com/](https://www.rottentomatoes.com/) - This website focuses on movie reviews, but it also has a section for box office information.
* IMDb: [https://www.imdb.com/](https://www.imdb.com/) - The Internet Movie Database also includes a box office section.
News Outlets:
* Entertainment Weekly: [https://ew.com/](https://ew.com/)
* Variety: [https://variety.com/](https://variety.com/)
* Deadline Hollywood: [https://deadline.com/](https://deadline.com/)
Social Media:
* Twitter: Follow industry experts and news outlets for updates on the box office.
* Reddit: Several subreddits dedicated to movies and box office news.
Other:
* Your local newspaper: Many newspapers publish box office reports.
* Movie theatre websites: Some theatre websites list the current top movies.
Note: Box office data is typically released on a weekly basis, with the numbers for the weekend (Friday to Sunday) being the most important. However, some websites may also provide daily updates.