Each clock against atomic time (time.cloudflare.com), sampled every 30 s.
| Heart (set once) | -658.401 ms |
| Heart (set every hour) | -13.067 ms |
| Raw crystal (set once) | -658.359 ms |
| Raw crystal (set every hour) | -13.057 ms |
| This machine's own clock | +0.073 ms |
| Heart time lost to host stalls | +0.000 ms |
| Atomic round trip | +0.955 ms |