Each clock against atomic time (time.cloudflare.com), sampled every 30 s.
| Heart (set once) | -11096686.292 ms |
| Heart (set every hour) | -22183.085 ms |
| Raw crystal (set once) | +14245.974 ms |
| Raw crystal (set every hour) | +30.252 ms |
| This machine's own clock | -0.268 ms |
| Heart time lost to host stalls | +11110908.481 ms |
| Atomic round trip | +8.822 ms |