🌍 Timezone Coordinator

Schedule meetings nobody hates.

A fully client-side web app that finds the fairest meeting time for distributed teams by measuring inconvenience ("pain") across timezones and tracking fairness over time.

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🚀 Live Demo

👉 https://timezone-coordinator-phi.vercel.app/index.html

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🧠 Problem

Most scheduling tools only find a time that works.

They ignore:

• Who always attends late-night meetings
• Who constantly sacrifices personal time
• Fair distribution of inconvenience

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💡 Solution

Timezone Coordinator introduces:

• ⏱️ Pain-based scheduling
• ⚖️ Fairness tracking across meetings
• 🌙 Sleep protection (never schedules blocked hours)
• 🔒 100% private (runs entirely in browser)

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✨ Features

👥 Team Management

• Create multiple teams
• Add members with timezone + work hours
• Auto-generated avatars

🌐 Timezone Intelligence

• Supports all IANA timezones (including half-hour offsets like India)
• Live clocks for each member
• World map visualization

📊 Smart Scheduling

• Analyzes all 24 UTC time slots
• Assigns pain score (0–100) per member
• Ranks slots by total team inconvenience

⚖️ Fairness Engine

• Tracks cumulative pain per member
• Adjusts future suggestions automatically
• Prevents same person always suffering

📈 Visualization

• Pain distribution charts
• Meeting history tracking
• Fairness score system

🔗 Share System

• Share team snapshot via URL (Base64 encoded)
• Read-only preview mode
• No database required

📅 Calendar Export

• Download .ics file
• Use with Google Calendar / Outlook

🔒 Privacy First

• No backend
• No API calls
• No tracking
• Data stored in localStorage

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🛠️ Tech Stack

• HTML5
• CSS3 (Custom UI + Animations)
• Vanilla JavaScript (Modular Architecture)
• LocalStorage API
• Intl API (Timezone handling)

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⚙️ How It Works

1. Add team members with timezone & work hours
2. System evaluates all 24 hours globally
3. Each hour gets a pain score per person
4. Best time = lowest total team pain
5. Fairness engine adjusts future suggestions

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🧪 Run Locally

git clone https://github.com/Manoj8541/timezone-coordinator
cd timezone-coordinator

Then open:

index.html

🎯 Why This Project Matters

This project demonstrates:

• Real-world problem solving
• Algorithmic thinking (pain calculation)
• State management without frameworks
• Clean UI/UX design
• Frontend architecture (modular JS)

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📌 Future Improvements

• Backend sync (optional mode)
• Real-time collaboration
• Better map accuracy
• Mobile optimization

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📄 License

MIT License

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👤 Author

Built by @manoj8541

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⭐ If you like this project

Give it a star ⭐ on GitHub