Daylight

A macOS menu bar app that shows sunrise/sunset times and tracks how daylight changes day-to-day.

Features

• Menu bar display - Shows daily daylight change (e.g., "+2m 14s")
• Multiple locations - Track sunrise/sunset for different cities
• Date navigation - Browse past/future dates with arrows or calendar picker
• Day comparisons - See changes vs previous day and vs last week
• City search - Find locations by name or enter coordinates manually
• Launch at Login - Optional auto-start on system boot
• Offline caching - Previously fetched data is cached in memory

Screenshots

The app lives in your menu bar showing the day length change:

+2m 14s

Click to see full details for all your locations:

┌─────────────────────────────────────┐
│ Sat 11 Jan 📅        < > ⚙         │
├─────────────────────────────────────┤
│ Stockholm                   +2m 14s │
│ 🌅 08:32    🌇 15:18       6h 46m   │
│ vs previous day:                    │
│   ☀ 1m 9s earlier  🌙 1m 57s later │
│ vs last week: +15m 23s              │
├─────────────────────────────────────┤
│ Älvdalen                    +2m 08s │
│ 🌅 08:45    🌇 14:52       6h 7m    │
│ ...                                 │
└─────────────────────────────────────┘

Installation

From Source

Requires Xcode 15+ or Swift 5.9+.

git clone <repo>
cd daylight
./build.sh
cp -r Daylight.app /Applications/

Running

open /Applications/Daylight.app

Or just double-click the app in Finder.

Usage

1. Click the menu bar text to open the dropdown
2. Add locations via Settings (gear icon) → Add Location
3. Navigate dates using < > arrows or click the date for a calendar
4. Set primary location by clicking the star icon (determines menu bar display)
5. Enable auto-start in Settings → Launch at Login

Data Source

Sunrise/sunset times are fetched from sunrise-sunset.org, a free API that provides accurate solar calculation data.

Building

# Quick build (debug)
swift build

# Release build with .app bundle
./build.sh

The build script creates a signed Daylight.app bundle ready for use.

Project Structure

Daylight/
├── Models/          # Data structures
├── Services/        # API, persistence, geocoding
├── Views/           # SwiftUI views
├── AppDelegate.swift
├── DaylightApp.swift
└── Info.plist

Requirements

• macOS 13.0 (Ventura) or later
• Internet connection (for fetching sun data)

License

MIT