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← HistoryFor accurate timekeeping on a sundial that follows a medieval astrolabe design, which adjustment corrects for seasonal variations in daytime length?
A)Equation of time compensation✓
B)Gnomon height re-calibration
C)Zodiacal ring repositioning
D)Declination axis realigning
💡 Explanation
The equation of time compensation accounts for the Earth's elliptical orbit and axial tilt, correcting disparities between mean solar time and apparent solar time. Since the solar day varies throughout the year's orbit, the equation of time is fundamental for precise sundials rather than alternatives for gnomon height or rings.
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