Celestial Navigation · Time — Chronometer
Chronometer error is the difference between chronometer time and:
- ALocal apparent time
- BZone time
- CSidereal time
- DGreenwich Mean Time (UT)✓ Correct
Explanation
The chronometer is intended to keep GMT; chronometer error (CE) is how far it is fast or slow on GMT. The daily change is the chronometer rate, used to carry the error forward between checks.
Authority: Bowditch (Pub. No. 9), timekeeping
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