Calendar
Browse calendar months with optional ISO week numbers. Navigate months, see today, and pick dates with this free online calendar in your browser.
How to Use
- Use arrow buttons to move to previous or next month.
- Read the month title centered in the navigation bar.
- Toggle Show ISO week numbers to display week indices.
- Click any day cell to select it and see the date below.
- Return to today mentally by navigating to the current month.
Input Field Guide
- Month navigation
- Previous and next buttons change the displayed month without reloading the page.
- Show ISO week numbers
- Overlays ISO 8601 week numbers for each row when enabled.
- Day cells
- Click a day to select it; selection summary appears under the grid.
Understanding Your Results
The grid shows weekday-aligned days for the visible month with today styled distinctly. Selected date text appears below the grid. With week numbers enabled, each row includes the ISO week index matching the week-number calculator rules.
Features
- Month grid with weekday alignment
- Previous/next navigation
- Today highlighting
- Optional ISO week number column
- Click-to-select date
- No login or sync required
Real-World Use Cases
- Visual deadline placement in the month
- ISO week alignment for reports
- Quick day-of-week lookup
- Teaching calendar structure
- Planning before using day counters
Practical Examples
Enable ISO weeks to see that 13 Jul 2026 sits in week 29 row.
Navigate from December to January to see year boundary week numbers change.
Benefits
- Faster than spawning a desktop calendar app
- Week numbers without spreadsheet export
- Works on phones with touch navigation
- Complements calculation tools on TimerClock
Tips & Best Practices
- Enable week numbers when filling weekly KPI forms.
- Select a date here then use week-number calculator for details.
- Pair with day-counter after visually confirming endpoints.
Common Mistakes to Avoid
- Expecting automatic holiday labels-only grid and optional weeks are shown.
- Assuming selected date feeds other tools without manual copy.
- Confusing Sunday-start wall calendars with ISO Monday week rows.
Frequently Asked Questions
Does the online calendar show holidays?
It shows the civil month grid; public holidays are not labeled unless they fall on visible dates without special styling.
What ISO week standard is used?
ISO 8601 Monday-based weeks, consistent with the week-number calculator.
Can I jump to a specific year quickly?
Use repeated next/previous navigation; there is no year jump field.
How do I see today?
Navigate to the current month; today is highlighted in the grid.
Does selecting a date calculate anything?
Selection displays below the grid; use other tools for math.
Is the calendar printable?
Use browser print on the page if needed; layout is screen-oriented.
Does week view show partial weeks?
Month grid includes leading/trailing adjacent-month days grayed for alignment.
Is calendar usage tracked?
No. Rendering is local in your browser.