Help

Keyboard Shortcuts

• Space - Play/Pause time simulation
• L - Double simulation speed
• J - Halve simulation speed
• K - Reverse time direction

Controls

Time Control

• Time Reset - Set the date and time to reset to. Use Z suffix for UTC (e.g., "2024-01-01T12:00:00Z"), otherwise local time zone is used
• Reset Time - Reset to the specified date/time
• Play/Pause - Start or stop time simulation
• Speed - Control how fast time progresses (negative = backwards)

Sharing

• Copy Link - Copy a URL for quick access to current date, time, and observer position.

Observer Position

• Latitude - Observer's latitude (-90° to 90°)
• Longitude - Observer's longitude (-180° to 180°)
• Height - Observer's height above sea level in kilometers

View Options

• Earth - Focus camera on Earth
• Moon - Focus camera on Moon
• Sun - Focus camera on Sun

Interaction

• Double-click on Earth - Set observer position to clicked location
• Mouse drag on external view - Rotate external camera around target
• Mouse drag on Observer view - Look around from observer's perspective
• Scroll wheel on external view - Move camera toward/away from target
• Scroll wheel on Observer view - Zoom in/out (change field of view)

Display Information

• Sun/Moon altitude/azimuth - Current positions from observer's location
• Observer view labels - Current camera orientation and field of view
• Date/Time - Current simulation time