OnTime Meeting Timer

A cross-platform timer application designed specifically for managing meeting schedules with robust timing, display options, and network sharing capabilities.
Features
Meeting Management
- Meeting Templates: Support for midweek, weekend, and custom meeting formats
- Automatic Meeting Updates: Can scrape current meeting schedules from wol.jw.org
- Manual Customization: Edit all meeting parts, durations, and presenters on the fly
- Weekend Song Editor: Specialized interface for managing weekend meeting songs
- Flexible Meeting Creation: Create meetings from templates or from scratch
Timer Functions
- Intuitive Timer Controls: Start, pause, stop, next part, previous part
- Time Adjustment: Add or subtract minutes on the fly
- Part Navigation: Jump to any part in the meeting
- Overtime Tracking: Automatic tracking of overtime for individual parts and the entire meeting
- Predicted End Time: Real-time calculation of expected meeting end time based on current progress
- Chairman Transitions: Special transition mode between parts with automatic timing
Display Options
- Multi-Screen Support: Configure primary and secondary displays
- Secondary Display: Full-screen display optimized for speakers/audience
- High-Contrast Display: Ensures visibility from a distance
- Theme Options: Light and dark themes available
- Font Sizing: Automatic adjustment for optimal visibility at any window size
Network Display
- Browser-Based Remote Display: Share timer on any device with a web browser
- Multiple Connection Methods:
- Built-in web server provides a complete solution
- WebSocket-only option for custom displays
- QR Code Connection: Easily connect mobile devices by scanning QR code
- Auto-Start Option: Network display can start automatically with the application
- Multiple Connected Devices: Support for multiple viewers on different devices
- Works on Windows, macOS, and Linux
- Consistent interface across platforms
- No external dependencies required
Screenshots
Main Interface

Secondary Display

Mobile Network Display

Getting Started
Download
Download the latest release for your platform:
Installation
Windows
- Run the downloaded installer (OnTimeSetup.exe)
- Follow the installation prompts
- Launch OnTime from the Start menu or desktop shortcut
macOS
- Open the downloaded DMG file
- Drag OnTime to your Applications folder
- Launch from Applications or the Dock
Note for macOS users:
After installing the .dmg
, you may see a security warning because the app isn’t notarized by Apple. If the application is blocked, open System Settings → Privacy & Security and click Open Anyway next to OnTime Meeting Timer.
For more information, see Apple’s support article.
Linux
- Make the AppImage executable:
chmod +x OnTime.AppImage
- Run the AppImage:
./OnTime.AppImage
First Use Guide
- Launch the application
- Select or create a meeting:
- Use the dropdown in the toolbar to select a meeting
- Or create a new meeting via File > New Meeting
- Start the timer:
- Click “Start Meeting” to begin
- Use the control buttons to navigate through parts
- Set up secondary display (optional):
- Go to Settings > Display
- Configure your secondary screen
- Toggle the secondary display with F10 or view menu
Using the Network Display
- Enable network display:
- Go to Settings > Network Display
- Choose “HTTP and WebSocket” mode
- Configure ports if needed
- Start the network display:
- Click “Start” on the Network panel in the tools dock
- Or use View > Network Display > Start Network Display
- Connect devices:
- Ensure all devices are on the same network
- Open a web browser on client device
- Enter the URL shown in the Network panel
- Or scan the QR code if enabled
Advanced Features
Meeting Management
- Web Scraping: Automatically get meeting schedules from wol.jw.org
- Template-Based Meetings: Create meetings from templates with customizations
- Meeting Editor: Full editor for all meeting details
- Weekend Song Handling: Special support for weekend songs with dedicated editor
Display Configuration
- Precision Screen Selection: Choose which specific screens to use for main and secondary displays
- Theme Selection: Choose between light and dark themes
- Tools Dock: Toggle and remember state of tools dock for more workspace
Timer Control
- Part Navigation: Double-click any part to jump directly to it
- Contextual Controls: Right-click menu for part-specific operations
- Time Adjustment: Add or remove minutes with a click
Troubleshooting
Network Display Issues
- Ensure all devices are on the same network
- Check if any firewalls are blocking the configured ports
- Try restarting the network display service
Secondary Display Issues
- If the secondary display appears on the wrong screen, check Settings > Display
- Restart the application after connecting new displays
- Ensure your graphics drivers are updated
Meeting Data Issues
- If web scraping fails, try manual creation or template-based meetings
- Reset settings in Settings dialog if needed
Contributing
OnTime Meeting Timer is an open-source application. Contributions are welcome!
License
OnTime Meeting Timer is released under the MIT License. See LICENSE for details.
Acknowledgments
Special thanks to Michael Mena
, Antonio Montaperto
and Clayton Smith
for their kind contributions to this project ⭐⭐⭐⭐⭐!
- Built with 🐍 Python and a tiny bit of HTML 🕸️ and Javascript 🕸️
- Special thanks to all contributors and testers