Calendar
Interactive monthly calendar with week numbers, day info, and quick navigation.
Today
Go to Date
Year at a Glance
How It Works
This calendar is rendered entirely client-side using JavaScript's Date object. It computes the first day of each month, fills the grid with previous and next month overflow days, and calculates ISO week numbers.
Click any date to see detailed info — day of year, week number, quarter, and days remaining. The sidebar "Year at a Glance" lets you jump to any month quickly.
Features
- ✓ Month, year, and today navigation
- ✓ ISO week numbers
- ✓ Today highlight and date selection
- ✓ Day-of-year, quarter, and days-left info
- ✓ Weekend highlighting
- ✓ Year-at-a-glance month picker
About the Calendar
This calendar handles date arithmetic, time zones, calendars, and scheduling utilities. Interactive monthly calendar with week numbers, day info, and quick navigation.
Use for planning events, deadlines, workdays, and time-zone aware calculations.
Adjust the inputs above to model your specific scenario with the Calendar.
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