Privacy Calendar
Calendar
About This Calendar Tool
This browser-based calendar tool displays a complete year view with ISO 8601 week numbers. Navigate through any year from 1 to 9999, customize the first day of the week, and view all 12 months in a clean, organized layout. All features work directly in your browser with no data collection.
Key Features:
- ISO Week Numbers: Display ISO 8601 standard week numbers for each week
- Year Navigation: Browse any year from 1 to 9999 using arrows or direct input
- Customizable Week Start: Choose between Monday (default) or Sunday as first day
- Full Year View: See all 12 months at once in a responsive grid layout
- Today Highlight: Current date is automatically highlighted in yellow
Use Cases:
- Plan projects and events across the year
- Check week numbers for scheduling and reporting
- View historical or future calendars
- Quick reference for date and day-of-week lookup
🔒 Privacy-Friendly: This calendar runs entirely in your browser. No data is collected or sent to any server.
This tool answers questions like:
- What week number is today?
- Calendar with week numbers
- What day of the week was a date?
- Year calendar 2026
- ISO week number lookup
- When does week 1 start?
- Full year calendar view