TheCalendarWeek
Instantly shows the current calendar week number, calculates week numbers for any date, calculates dates for any week number, provides printable weekly planners, and offers a full year overview.
Launch screenshots from Product Hunt, Jul 2026
A web tool that instantly displays the current calendar week number according to ISO 8601 and US standards, solving the problem of quickly determining week numbers for scheduling and planning. It serves a broad audience including individuals, teams, and developers who need accurate week calculations, printable weekly planners, and year overviews. The tool is positioned as a free, zero-maintenance web application with an embeddable widget for websites and intranets, and it also offers educational content on calendar week standards.
Key features
- Current calendar week display
- Week number calculator for any date
- Date calculator for any week number
- Printable weekly planner templates
- Full year overview
- Embeddable widget for websites
- ISO 8601 and US week standards
- Educational guides and articles
- No social media activity within the last 30 days
- Marketplace
- API
- Docs
- Changelog
- Consumers general
- Operations teams
- Software developers