Sidereal Desk

恒星时桌面仪 — a transparent desktop sidereal-time instrument for Windows.

A small floating clock that shows local sidereal time (LST), twilight phase, moon phase, and sunrise/sunset — driven by real ephemerides, not a wallpaper.

pnpm install && pnpm tauri:dev

Features

• SVG sidereal dial — blue LST hand, gold/gray sun marker, daylight arc
• Three layouts: Full · Compact · Minimal (desktop widget)
• Time scrubbing, speed presets, keyboard shortcuts
• Location sync (GPS → IP fallback) or manual coordinates
• System tray — hide on close, toggle show/hide, always-on-top & fix position
• English / 中文

Shortcuts

Key	Action
,	Settings
Space	Pause / resume
R	Back to now
← →	±15 min
M	Cycle layout
Esc	Close settings / exit minimal

Stack

React · TypeScript · astronomy-engine · Tauri 2

Building for Release

Build for specific platforms using one of these commands:

Windows:

pnpm tauri:build:windows      # x86_64 (64-bit)
pnpm tauri:build:windows:arm  # ARM64

macOS:

pnpm tauri:build:macos        # Universal (Intel + ARM)
pnpm tauri:build:macos:intel  # x86_64 only
pnpm tauri:build:macos:arm    # ARM64 only

Linux:

pnpm tauri:build:linux        # x86_64
pnpm tauri:build:linux:arm    # ARM64

Binaries will be in src-tauri/target/release/bundle/.

Docs

• Product notes
• Dev setup
• Changelog

License

MIT