Calendar Calculator

Create and manage events with this free online calendar tool. No downloads or registration needed.

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About This Tool

This free online calendar tool provides a complete calendar interface where you can navigate months/years, select dates, and manage events. You can create events with title, description, time, and color coding. All events are saved in your browser's local storage. Export your calendar as ICS file or view a printable version. The tool works entirely client-side with no backend required.

Save your calculation history with a free account

How to Use

Use the navigation buttons to select a month and year
Click on any date to select it
Fill the event form to add a new event
View all events for the selected date in the events list
Edit or delete events using the action buttons
Export your calendar using the export options

Frequently Asked Questions

Find Quick Answers

Do I need to create an account to use this calendar?

No, this tool works entirely in your browser. Events are saved locally using your browser's storage.

Can I access my calendar from different devices?

No, since events are stored locally in your browser, they won't sync across devices. You can export and import ICS files to transfer events.

How do I delete all my events?

Use the 'Clear All Events' button in the events section to remove all saved events.

What formats can I export my calendar in?

You can export as ICS (iCalendar) file compatible with Google Calendar, Outlook, and Apple Calendar, or view a printable HTML version.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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