Celestial Navigation · Time — Arc to Time with Minutes
Convert 64°30' of longitude to time (15° = 1h; 1' of arc = 4s of time).
- A4h 30m 00s
- B4h 16m 00s
- C4h 18m 00s✓ Correct
- D6h 43m 00s
Explanation
64° × 4 min = 256 min = 4h 16m. 30' × 4 s = 120 s = 2 min. Total = 4h 18m 00s.
Authority: Nautical Almanac, Arc-to-Time table
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