Shareable Calendar

Nittei-san | Shareable Calendar for Collaborative Scheduling is a no-sign-up, shareable scheduling tool that lets multiple participants view and edit a single calendar in real time via a simple URL. It emphasizes ease of use, immediate access, and real-time collaboration without account creation or login. The calendar interface is familiar and intuitive, designed for quick planning of meetings and events with minimal setup. The tool supports batch member registration via paste and improves mobile usability, enabling quick availability updates from any device. The core value is to streamline scheduling by allowing everyone to write on the same calendar and see updates instantly.**

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How to Use Nittei-san

• For Organizers: Press the "Start Scheduling!" button to create a new calendar. Enter potential time slots and add members who will participate. When ready, share the URL with participants.
• For Participants: Open the shared URL, select your name, and enter your preferred dates and times. Notify the organizer once you’re done.
• Real-time synchronization ensures everyone sees the latest availability as it’s updated.
• If you log in with Google, you can load your calendar data for reference and import your existing events.

What You Can Do

• Create a shared calendar without account registration or login.
• Enter and adjust potential time slots directly on the calendar.
• Invite participants by sharing a URL; participants can add themselves.
• Real-time collaboration with simultaneous editing by multiple users.
• Google Calendar integration (read-only or import of your calendar) when using Google login.
• Copy availability from the calendar in text form to notify others quickly.

What You Cannot Do

• There are no reminder or notification features.
• Finalized dates don’t automatically sync to your traditional calendar; you need to register them in your preferred calendar app as usual.
• No email address registration or reminder setup.
• It’s a whiteboard-style scheduler without broader project management features.

How Nittei-san Differs from Other Scheduling Tools

• No account registration or login required for immediate use.
• Global, shareable calendar via a simple URL that anyone can access.
• Real-time multi-user editing on a familiar calendar interface.
• Google login enables calendar import/pull for reference but is not required.
• Simple, focused scheduling without extra features like reminders or notifications.

Glossary of Scheduling Terms

• Timeslot: A specific period within a schedule.
• Voting: Participants indicate their availability for proposed dates.
• Syncing: Linking with other calendar apps to automatically update schedules.

Why Nittei-san Is Convenient

• Instant access without onboarding or download.
• Worldwide sharing via a simple URL.
• Real-time collaboration reduces back-and-forth and miscommunication.
• Easy to copy and share availability in text form for quick coordination.

Core Features

• No account registration or login required for immediate use
• Shareable calendar via URL for global access
• Real-time collaborative editing by all participants
• Ability to batch register members via paste
• Google Calendar integration when using Google login (read/import data)
• Simple interface focused on scheduling without reminders or notifications
• Text export of availability for easy notification