Each clock against atomic time (time.cloudflare.com), sampled every 30 s.
| Heart (set once) | -1089254.283 ms |
| Heart (set every hour) | -6917.287 ms |
| Raw crystal (set once) | +4709.020 ms |
| Raw crystal (set every hour) | +27.509 ms |
| This machine's own clock | -1.544 ms |
| Heart time lost to host stalls | +1093965.442 ms |
| Atomic round trip | +5.610 ms |