Sync all clocks from terminal. Paste into Terminal.app — click to copy.
1. Setup (one time)
pip3 install bleak
2. Sync all clocks (runs directly from GitHub)
curl -sL https://raw.githubusercontent.com/stefan-bc/Xiaomi-LYWSD02-Clock-sync/main/sync.py | python3
If "Bluetooth device is turned off": System Settings → Privacy & Security → Bluetooth → enable Terminal