Tools / Sunrise Sunset / Use Cases / Calculate Daylight Hours

Calculate Daylight Hours

Determine total hours of daylight for any location and date for planning and analysis.

Tool
Sunrise Sunset icon
Sunrise Sunset

The length of the day varies dramatically by latitude and season. A December day in Stockholm has barely 6 hours of light while the same day in Sydney has over 14. This affects everything from work schedules and commute safety to agriculture and energy consumption.

Get sunrise and sunset times to calculate exact daylight duration for any location and date. Compare across seasons, track how day length changes week to week, or analyze daylight availability for locations at different latitudes.

Agent Guides

Claude

  1. Connect ToolRouter: claude mcp add toolrouter -- npx -y toolrouter-mcp
  2. Ask Claude: "Get sunrise and sunset times using sunrise-sunset" with your location
  3. Claude returns times and can calculate total daylight
Read full guide →

ChatGPT

  1. Configure ToolRouter in ChatGPT
  2. Ask: "How many hours of daylight does this city get today?"
  3. ChatGPT calculates from the sunrise and sunset data
Read full guide →

Copilot

  1. Add ToolRouter to Copilot MCP config
  2. In Copilot Chat: "Get sunrise and sunset for these coordinates"
  3. Copilot returns times you can use to calculate day length
Read full guide →

OpenClaw

  1. Connect ToolRouter: openclaw mcp add toolrouter -- npx -y toolrouter-mcp
  2. Ask OpenClaw: "Get sunrise and sunset for this location today"
  3. OpenClaw returns precise times
Read full guide →

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