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Indique la opción correcta:Identify the correct statement regarding time scales in navigation:
Show the answer
Correct answer: c) The Zone Time (Hora Legal) in Málaga (36º 43′ N, 004º 25′ W) coincides with Universal Time.
Why it is correct
Málaga lies at longitude 004° 25′ W, which falls between 007° 30′ E and 007° 30′ W and therefore belongs to time zone 0 (Z = 0). Consequently, its Zone Time (Hora Legal) coincides with Universal Time (UT).
Why the others are not
- a) UT and Greenwich Mean Time (HCG) are the same time scale (zero difference); the statement describes the equation of time.
- b) It is the mean Sun whose hour angle increases by exactly 15° per hour of UT, not the true Sun.
- d) Options a) and b) are false.
How to work it out in the exam
- Málaga (004° 25′ W) lies in time zone 0 (±7° 30′), so its Zone Time equals UT.
Where this question comes from
- Junta de Andalucía · 2023 · 2ª convocatoria · CY Módulo de navegación · question 6 Official paper · Official answer key
Pending instructor review. Machine translation, not reviewed.