Celestial Navigation · Time — Time to Arc
Convert 4h 40m of time to arc (1h = 15°; 1m = 15').
- A46°40'
- B60°00'
- C75°00'
- D70°00'✓ Correct
Explanation
4h × 15° = 60°. 40m × 15' = 600' = 10°. Total = 70°00'.
Authority: Nautical Almanac, Arc-to-Time table
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