Each clock against atomic time (pool.ntp.org), sampled every 30 s.
| Heart (set once) | -6504900.739 ms |
| Heart (set every hour) | -40345.324 ms |
| Raw crystal (set once) | +10330.154 ms |
| Raw crystal (set every hour) | +20.791 ms |
| This machine's own clock | -1.707 ms |
| Heart time lost to host stalls | +6515224.440 ms |
| Atomic round trip | +10.762 ms |